SNZB-01P needs to be used with Zigbee Hub 【Custom Button Action】You can customize the button actions as you want. Control multiple devices by single press, double press, and long press 【Zigbee 3.0 Compatible】Supports Zigbee hubs using the Zigbee 3.0 protocol, and theoretically supports adding to any Zigbee hub developed in accordance with Zigbee 3.0 protocols. Like SONOFF NSPanel Pro, ZB Bridge Pro, and ZBDongle-E 【Trigger Alexa Routines】Trigger Alexa Routines with the press of the wireless switch (requires SONOFF Zigbee hub) 【Emergency Button】SNZB-01P can be used as an emergency button when an emergency occurs, your family can press the button to send an alert notification to your phone 【5 Years Battery Life】Powered by a CR2477 battery. *The battery life data is obtained from SONOFF’s internal laboratory, please refer to the actual use SONOFF Zigbee Wireless Switch,SNZB-01P Push Button, Supports to Create Smart Scenes, Trigger the Connected Devices on eWelink APP with Three Control Options, SONOFF ZigBee Bridge Required