3RSB015BZ
ActiveThird Reality Smart Button Zigbee
Third Reality Smart Button — large press area, Zigbee 3.0.
Common Applications
The most kid/elderly-friendly smart button. Large 2-inch diameter press surface — cant miss it. Zigbee 3.0 with full Z2M support. Single, double, and long press. The large size makes it the go-to for accessibility applications — bedside for elderly, panic button, or kid-friendly light control. Adhesive or screw mount.
Openness & Hackability
Full Zigbee2MQTT and ZHA support. Large community adoption. No hub required with generic Zigbee coordinator. All press events fully exposed in Home Assistant.
Specifications
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Battery Life
Expected battery life under normal use. BLE buttons typically last 1-2 years on a coin cell.
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2 years
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Battery Type
The battery used. CR2032 = common coin cell, easy to replace. AAA = higher capacity. USB-C = rechargeable.
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CR2032
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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White
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Smart Home Integrations
Compatible smart home platforms and voice assistants.
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SmartThings, Home Assistant, Zigbee2MQTT
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Mounting Type
How the button attaches to the panel. Panel mount is standard — installs through a cutout from the front.
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Adhesive or screw
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Protocol
The wireless communication standard. BLE = short range, phone direct. Zigbee = mesh network, needs hub. Z-Wave = mesh, needs hub. WiFi = direct, higher power.
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Zigbee 3.0
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Installation Quick Reference
Setup: Pair with your hub or phone via Zigbee 3.0. Most smart buttons support single press, double press, and long press for three different actions.
Battery: Uses CR2032 battery. Expected life: 2 years. Low battery notification via the app.
Dimensions
Troubleshooting
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
Where to Buy
Price range
$51.11 — $128.5
across 2 distributors
Quick Specs
- Battery Life
- 2 years
- Battery Type
- CR2032
- Color
- White
- Smart Home Integrations
- SmartThings, Home Assistant, Zigbee2MQTT
- Mounting Type
- Adhesive or screw
What People Are Saying
“Full Zigbee2MQTT and ZHA support. Large community adoption. No hub required with generic Zigbee coordinator. All press events fully exposed in Home Assistant.”
