Third Reality · Smart Button Series

3RSB015BZ

Active

Third Reality Smart Button Zigbee

Third Reality Smart Button Series Introduced circa 2022

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

Zigbee2MQTT Compatible

Full Zigbee2MQTT and ZHA support. Large community adoption. No hub required with generic Zigbee coordinator. All press events fully exposed in Home Assistant.

Specifications

Battery Life
2 years
Battery Type
CR2032
Color
White
Smart Home Integrations
SmartThings, Home Assistant, Zigbee2MQTT
Mounting Type
Adhesive or screw
Protocol
Zigbee 3.0

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.”

Reddit r/homeassistant 37 upvotes View thread →