Features: 1PROFESSIONAL DESIGN Equipped with version for zigbee it needs to be used with a gateway for zigbee which can be used in a variety of application scenarios. 2MULTIPLE WAYS OF USE It can be used in a wide range of scenarios and it can be used as an SOS button a wireless switch or a doorbell. 3VARIOUS CONTROL METHODS It has three button states: single click double click and long press so as to control the equipment of the family. 4THREE CONTROL DESIGN Supports simultaneous control of three or three sets of devices such as one click to turn on/off the floor lamp double click to turn on/off the air conditioner long press to turn off all home appliances etc. 5SIMPLE OPERATION METHOD One key to turn on the away from home mode you can intelligently control the electrical appliances to automatically turn off when you leave home switch to the alert mode and start monitoring the home state. Specification: Item Type: Wireless SwitchProduct Size: Approx. 5.5x5.7cm / 2.2x2.2inMaterial: ABSWeight: Approx. 60g / 2.1ozBattery Parameters: 3.7V 450mAh Lithium Battery (Battery Included)Working Temperature: -20C-70CWorking Humidity: <85%RHConnection Method: For ZigBeeThree Key States: Single Click Double Click Long Press.Single Click Function: One Second Short PressDouble Click Function: Double ClickLong Press Function: Three Seconds Long PressReset Function: Ten Seconds Long Press Package List: 1 x Host1 x USB Cable1 x Chinese and English Manual