Features: [Compatibility] Compatible with most digital locks that have a motor and a driver board with DC12V power supply. Compatible with Amazon , Dot, Amazon Tap.[Easy Installation] The installation is a 5-minute thing, after that, you can use your smart phone to open your door from anywhere. Installation instructions included.[APP Control] You can add the device to the APP eWeLink in order to remotely open your door, available on both Android and iOS.[Multi-function] Timing Schedules + Device Sharing + History Record + Works with Google Home, + Works with IFTTT.[Note] The device can not connect to 5G-WiFi/mesh WiFi/WiFi hue/WiFi bridge, only 2.4G-WiFi is supported.Specifications:Operating Voltage: 12V DCLED: 1 LED (indicate working mode, wifi status)Wireless Standard: 2.4GHz, 802.11 b/gMobile App: EWeLink on Android/IOSApplication: Compatible with most electronic gate locks that have a motor and a driver board with DC12V power supplyOperating Temperature: -40 degrees to +70 degreesOperating Humidity 40% ~ 80% RHState of Assembly: Unassembled KitModel Number: Wifi Switch Wireless ModuleCompatibility: All CompatibleCamera Equipped: NoColor: greenMaterial: PCBPackage Contents:1 * Smart Switch1 * Antenna1 * adhesiveOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.