Description: This product is a wireless switch supports inching /self-locking mode/Inter lock mode. Users can add the device to the Zigbee Hub in APP Smart life in order to remotely control connected home appliances or devices. In self-locking mode,customers can remotely turn on/off connected devices immediately. When in inching mode,Default inching time 0.5s, the switch will turn on and turn off immediately after 0.5s. In Inter Lock mode,if turn switch 1 on, then switch 2 turn off, if turn switch 1 off, switch 2 will turn on. No matter where you are, you only need to download a APP to connect the Zigbee Device and control the cloud. RF mode, you can control the board with RF433 remote controller . Note:Please make sure to select the right model before buying ,or leave us a message before shipping. Please check the following items before using the equipment: 1. Your smartphone or tablet has been connected to a 2.4G WiFi that can access the Internet (5G WiFi is not currently supported) 2. Mobile phones or tablets using Android system must be of Android version 4.0 or higher. 3. If your wireless router has set MAC address filtering, please enter the router background to turn off the MAC filtering function. 4. Must be used in conjunction with Zigbee gateway. Specifications: Input voltage : DC/AC 7-32V , Micro USB 5V input Max current : 2200W/10A Wifi standard: 2.4GHz b/g/n Working temperature: -2070 Wireless standard : Zigbee 3.0 RF control: support Size : 75*73*19 mm The life of Relay Model is more than 1,000,00 Default inching Function: Press the open relay by mobile phone, then cut off the pull-on imediately. Self-locking when press the inching and locking button with the light on. Press open relay to pull-on, press close relay to cut off. Package Included: 1*4CH Zigbee Smart Switch Module 1*User Manual Notes: Notes: RF433 remote control requires additional purchase This product needs to be used with zigbee3.0 gateway