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THIRDREALITY Zigbee Smart Button vs THIRDREALITY Smart Hub Gen2 Plus: Spec Comparison

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The thirdreality zigbee smart button vs smart hub gen2 plus comparison highlights two distinct components of a Zigbee smart home setup. Both devices use the Zigbee 3.0 standard for reliable, low-power communication. The main difference is their function: the button is a manual input controller, while the hub is the central gateway connecting devices to your network. You need the hub to bridge these devices to Wi-Fi ecosystems. Understanding their specific roles helps you choose the right piece for your automation needs.

Key differences

AspectTHIRDREALITY Zigbee Smart ButtonTHIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway
Primary FunctionManual remote control and scene triggerCentral gateway and network bridge
Power Source2 AAA batteriesUSB-A port
Smart Home CompatibilityHome Assistant, HomeKit (via bridge), SmartThingsAlexa, Google
Network ConnectivityZigbee 3.0 onlyZigbee 3.0 and 2.4GHz Wi-Fi
Device CapacityNot listedUp to 32 connected devices

Which one should you choose?

Choose THIRDREALITY Zigbee Smart Button if

  • You already own a compatible Zigbee hub and need a simple, battery-powered remote for quick actions.
  • You want to integrate devices with Apple HomeKit or Home Assistant without relying on Alexa or Google.
  • You prefer a portable, magnetic or adhesive-mounted controller that does not require constant power.

Choose THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway if

  • You need a central hub to connect and manage multiple Zigbee devices to your Wi-Fi network.
  • You want to use voice assistants like Alexa or Google Home to control your smart devices.
  • You require a always-on power source via USB-A for reliable gateway operation.

Verdict: Choose the button if you need a dedicated manual controller for specific scenes or devices. Choose the hub if you need the central gateway to connect Zigbee devices to your broader smart home ecosystem. Both are essential for a complete setup, serving different roles.

Button Versus Hub Comparison

Core Function

Edge: Tie

The THIRDREALITY Zigbee Smart Button is a manual input device. It lets you control scenes with press, double press, or hold actions. You can assign lights or fans to each input. The THIRDREALITY Smart Hub Gen2 Plus is a gateway. It connects devices to your network and app. It manages groups and timers. The button gives you physical control. The hub provides the digital infrastructure. You need both for a full setup. One is a remote. The other is the brain.

Connectivity

Edge: Tie

Both devices rely on the Zigbee 3.0 standard. This ensures low power consumption and stable communication between devices. The Smart Hub Gen2 Plus adds 2.4GHz Wi-Fi to link to your router. The Smart Button has no Wi-Fi. It only uses Zigbee. You must have a hub for the button to work. The hub handles the Zigbee network. The button connects to that network. They work together. Neither device connects to the internet on its own.

Power Source

Edge: THIRDREALITY Zigbee Smart Button

The Smart Button runs on two AAA batteries. This allows for flexible placement anywhere in your home. You can stick it to a wall or attach it to a fridge. The Smart Hub Gen2 Plus uses a USB-A connection. It plugs directly into a port for power. This means no battery changes for the hub. The button requires periodic battery replacement. The hub needs a constant power source. Both methods are practical for their roles.

Compatibility

Edge: THIRDREALITY Zigbee Smart Button

The Smart Button works with SmartThings, Aeotec, Hubitat, Home Assistant, and the Third Reality Smart Hub. It also supports Apple HomeKit through a separate Smart Bridge MZ1. The Smart Hub Gen2 Plus is compatible with Alexa and Google. It works with the Third Reality App. The button has broader platform support. You can use it with many different ecosystems. The hub is limited to Alexa and Google. The button offers more flexibility for your setup.

Device Capacity

Edge: THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway

The Smart Hub Gen2 Plus can connect up to 32 devices. This limits how many Zigbee devices you can add to that specific hub. The Smart Button does not list a device limit. It is a single controller. It does not manage other devices. The hub is the limit for expansion. You can add more hubs to increase capacity. The button is just one device in the system. The hub defines the network size.

Physical Size

Edge: Tie

The Smart Button is 3.52 inches tall and 0.52 inches wide. It is compact and easy to mount. The Smart Hub Gen2 Plus is 3.25 inches long and 1.7 inches wide. It is smaller than a deck of cards. The hub is wider but shorter. The button is taller and thinner. Both are small enough for discreet placement. The button is designed to be touched. The hub is designed to sit on a shelf. Both fit well in most homes.

Choose the right THIRDREALITY device

Users needing a physical scene controller

Our pick: THIRDREALITY Zigbee Smart Button

You need a manual input device for daily routines. This button supports press, double press, and hold actions. You can assign different scenes to each input. It runs on two AAA batteries for up to three years. Its compact design allows easy mounting on walls or fridges using included adhesive or magnetic strips.

Users needing a central Zigbee gateway

Our pick: THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway

You require a hub to connect and manage Zigbee devices. This unit supports up to 32 connected devices. It extends connection distance to 50 meters in open space. It connects via 2.4GHz Wi-Fi and powers through a USB-A port. You can control groups and set timers using the companion app from anywhere.

Users wanting Apple HomeKit integration

Our pick: THIRDREALITY Zigbee Smart Button

You want to use Apple HomeKit with your smart button. This device enables HomeKit support through the Smart Bridge MZ1, which is sold separately. It also allows software updates over the air. This compatibility lets you integrate the button into your existing Apple ecosystem for seamless control of your home scenes.

The products compared

THIRDREALITY Zigbee Smart Button

Best for: Triggering scenes with physical buttons

Connectivity
Zigbee 3.0
Smart Home Compatibility
Home Assistant, HomeKit, SmartThings
Power Source
2 AAA Batteries
Circuit Type
3-Way
Dimensions
1.01 × 0.52 × 3.52 inches
Weight
1.44 ounces

View on Amazon: THIRDREALITY Zigbee Smart Button Affiliate link

This compact Zigbee 3.0 device acts as a scene controller rather than a standalone hub. It runs on two AAA batteries for up to three years. You can program three actions: press, double press, and hold. It connects to hubs like SmartThings, Hubitat, and Home Assistant. It also supports Apple HomeKit via a separate Smart Bridge. The unit is small, measuring 3.52 by 1.01 inches.

Pros

  • Zigbee 3.0 connectivity for low power use
  • Three programmable control settings per button
  • Long battery life up to three years
  • Compatible with multiple major smart home hubs

Cons

  • Requires a separate Zigbee hub to function
  • Apple HomeKit support needs an additional bridge
  • No built-in display or screen

Good fit if

  • You already own a compatible Zigbee hub
  • You want to trigger scenes with one tap
  • You prefer physical buttons over app control

Skip if

  • You do not have a Zigbee hub yet
  • You need direct Wi-Fi connectivity
  • You want a standalone controller without extra gear

Verdict: THIRDREALITY Zigbee Smart Button is a low-power scene controller for users who already have a Zigbee hub. It suits those who want tactile, multi-action control for lights and fans.

THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway

Best for: expanding Zigbee device networks

Connectivity
Zigbee 3.0
Smart Home Compatibility
Alexa, Google
Network Interface
2.4GHz Wi-Fi, USB-A
Power Source
USB-A
Dimensions
3.25 × 1.7 × 0.5 inches

View on Amazon: THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway Affiliate link

This mini Zigbee gateway connects your smart devices to your home network. It uses Zigbee 3.0 for stable communication and 2.4GHz Wi-Fi for internet access. The unit supports up to 32 connected devices and reaches 50 meters in open spaces. You can control it remotely via the Third Reality App. It works with Alexa and Google for voice commands. This hub is designed for users who need a reliable bridge for their Zigbee ecosystem.

Pros

  • Supports up to 32 connected Zigbee devices
  • 50-meter connection range in open spaces
  • Mini size fits in small spaces
  • USB-A power connection for easy setup

Cons

  • Only supports 2.4GHz Wi-Fi networks
  • Requires the Third Reality App for full features
  • Limited to 32 device capacity

Good fit if

  • You want to expand your Zigbee device network
  • You need a compact hub for limited space
  • You use Alexa or Google for voice control

Skip if

  • You only have 5GHz Wi-Fi available
  • You need to connect more than 32 devices
  • You prefer a display on the hub itself

Verdict: THIRDREALITY Smart Hub Gen2 Plus is a compact gateway for users with moderate Zigbee device counts. It fits well in homes needing reliable 2.4GHz connectivity and app-based automation.

Specifications side by side

Spec THIRDREALITY Zigbee Smart Button THIRDREALITY Smart Hub Gen2 Plus USB Zigbee Gateway
Connectivity Zigbee 3.0 Zigbee 3.0
Smart Home Compatibility Home Assistant, HomeKit, SmartThings Alexa, Google
Network Interface not stated 2.4GHz Wi-Fi, USB-A
Power Source 2 AAA Batteries USB-A
Circuit Type 3-Way not stated
Dimensions 1.01 × 0.52 × 3.52 inches 3.25 × 1.7 × 0.5 inches
Weight 1.44 ounces not stated
Size 1x3.54x0.59 not stated
Color White White
Model 850001595575 3RSH05027BWZ

Frequently asked questions

Can the THIRDREALITY Zigbee Smart Button work without the Smart Hub Gen2 Plus?

No, the button requires a Zigbee hub to function. It is designed to pair with compatible hubs like SmartThings or Home Assistant. The Smart Hub Gen2 Plus is one option that supports Alexa. You cannot use the button directly with Wi-Fi routers or Bluetooth devices. A central controller is necessary to process the button's signals.

What smart home platforms support the THIRDREALITY Zigbee Smart Button?

The button is compatible with SmartThings and Home Assistant. It uses the Zigbee standard for communication. This allows you to integrate it into existing automation routines. You can assign specific actions to single presses, double presses, or hold events. Ensure your chosen hub supports Zigbee 3.0 for reliable pairing.

Does the Smart Hub Gen2 Plus support voice assistants?

Yes, the hub supports Alexa. It acts as a gateway for Zigbee devices. This allows you to control connected products through voice commands. The hub connects to your network via USB. It expands your Zigbee network capacity for better reliability in larger homes.

How big is the THIRDREALITY Zigbee Smart Button?

The button measures approximately 3.52 inches in height. Its width is 0.52 inches and its length is 1.01 inches. It weighs 1.44 ounces. The compact size allows it to fit easily in your hand. The white color helps it blend into most home decor styles.

What are the dimensions of the Smart Hub Gen2 Plus?

The hub measures 3.25 inches in length. Its width is 1.7 inches and its height is 0.5 inches. The white casing keeps it discreet. Its small footprint makes it suitable for placement on shelves or behind TVs. It connects via USB for power.

Can I use both devices together in one system?

Yes, you can use them together. The hub connects Zigbee devices like the button to your network. The button sends signals to the hub, which then triggers actions. This setup allows you to control lights or fans via physical buttons. The hub manages the network while the button provides manual input.

Is the Smart Hub Gen2 Plus compatible with Google Home?

The provided data lists Alexa as the compatible platform. It does not mention Google Home compatibility. You should verify support with your specific hub version. The device is designed to expand Zigbee networks. Check the manufacturer's official specifications for the most current voice assistant support details.

See also