Tuya smart Jog Inching/ Self-locking WIFI Wireless Smart Home Switch Remote Control with Amazon Alexa This product is a wireless switch supports inching /self-locking mode. Users can add the device to the 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, customers can have two wiring ways to select, and you can set the inching time in APP . WIFi control model, no need to program. No matter where you are, you only need to download a APP to connect the wifi and control the cloud. RF mode , you can control the board with RF 433 remote controller. Features: *Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. *Supports status tracking: device status timely provided to the Tuya / Smart life. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. *Supports max 8 enabled scheduled/countdown/loop timers for each device. *Voice Control: Compatible with "Amazon" Alexa, for Google Home/Nest, IFTTT. Supported Functions Include: *Remote turn on/off. *Timing schedules. *Device sharing. *Group management. *Works with Amazon Echo, Echo Dot, Amazon Tap. *Works with Google Home. *Works with IFTTT. *Compatible with Amazon Alexa. Specifications: Supports to control different voltage ranges USB port power supply more convenient Relay lifespan: one million times Working mode: inching / self-locking Wireless Standard: 2.4GHz, 802.11 b/g/n Mobile App: Tuya / Smart life on Android/IOS Application: access control, turn on PC, garage door, etc. Computer application: Remote control computer boot. Operating temperature: -40 degrees to +70 degrees. Operating Humidity 40%-80% RH. Default inching Function: Press the open relay by mobile phone, then cut off the pull-on imediately, you can set the inching time in APP , it has the timing-share function at the same time. 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. Widely used lnching Switch(Delay time 1s)Appilcation Scenarios Work For Door,Garage,Elevator,Rolling door,Computer,Car,Washing machine,Coffee machine etc. Self-locking Switch Application Scenarios Work For Light,Fan,Refrigerator,AC contactor,Water pump,Humidifier,Security sensor etc. Multiple control methods to enjoy smart life. APP Remote control, Voice control, 433 RF Remote Control. Note: Please make sure to select the right model before buying ,or leave us a message before shipping Type 1/2/3 Features: Input voltage : DC/AC 7-32V , Micro USB 5V input. Max current : 220W/10A. WiFi standard : WiFi 2.4 ghz b/n/g. Size : 72*45*30. The life of Relay Model is more than 1,000,00. Type 4/5 Features: Input voltage : DC/AC 7-32V , Micro USB 5V input. Max current : 220W/10A. WiFi standard : WiFi 2.4 ghz b/n/g. Size : 110*55*35. The life of Relay Model is more than 1,000,00. Noted : Your have the correct wif password. Your smart phone or tablet must have access to APP store or google play. Your router is MAC-open. Your smart phone or tablet has connected to a 2.4g wifi with internet. Default inching time 0.5s , you can set inching time from 1s to 3600s in APP ( smart life / tuya smart).