Overview:  ZB Wireless Switch is a mini and exquisite ZB wireless smart switch replying on SONOFF ZBBridge that allows you to reach the purpose of scene linkages between ZB devices and Wi-Fi devices. The button switch is customizable with three control options - single, double press and long press, so you can, pretty easily, program routines and actions as simple as you require. One-tap pairing. It's so much easier to pair it with multiple connected devices that you want to manage, just tap on the APP to get all devices paired. The brilliance of the button lines in its flexible movability, you can strategically place it or move it around your house to where it will be most helpful, then create a smart scene to make it work for you based on different button actions that you customized. Two-way control is even available for you to turn on/off the light from two locations. The button is battery-operated that your mobile phone will receive a low-battery notification when the remaining battery level is less than 10%, maybe it's time to change the battery.    Feature:  - Control devices from any corner of your home.  - Set a smart scene to make it communicate with Wi-Fi devices.  - Two-way control of the light.  - Customize button actions in the APP.  - Pair with all devices with a single tap.  - Support adding the SONOFF camera to monitor the status of connected devices.  - Low-battery notification.    Specification:   Battery: 3V(CR2450);  Wireless protocol: ZB (IEEE 802.15.4);  Material: PC;  Dimension: 43X43X16mm;     Package included:  3 x Wireless Switch