The Mhcozy Updated Wifi Wireless Smart Switch Inching Self-Locking Relay Module Description: The wireless switch supports inching /self-locking mode. (Set the inching model by phone app,inching time is adjustable from 0.5 to 3600 Seconds).Users can add the device to the APP eWeLink to remote control connected home appliances or devices. Come out with 433Mhz RF remote,which can be used for other device also,please check the manual remove code firstly. 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: Turn on 1s and then auto-off Turn off 1s and then auto-on. The product enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS. Supported functions: Remote turn on/off Timing Schedules Device Sharing Group Management Specification: Dimensions:70.5mm*27.4mm*23mm Working Voltage: USB 5V or DC 7-32V LEDs: 3 LEDs which indicate working mode, wifi status, relay on/off status respectively. Board consumption: 1W Standby current: 80mA Max input current: 10A Max switching voltage: 250V Relay lifespan: more than one million times Electrical insulation resistance 100M Electric shock voltage: 1000V Relay maximum pull time: 15ms Relay maximum release time: 5ms Operating temperature: -40 degrees to +70 degrees Operating Humidity 40% ~ 80% RH .Rated switching voltage: 250V Package included: 1 x DC 7-32V Jog Inching Self-locking WiFi Wireless Smart Home Switch with ABS Shell 1 x 433MHZ RF 1CH WIFI Relay with RF receiver,come with ABS shell and Universal 433Mhz RF Controller Included, 2 working models, Inching and Self-locking,set inching time from 0.5seconds to 1 hours on you Phone by eWelink app,Support 2.4G WIFI only Support Ewelink APP and RF remote control,Works with Amazon Alexa Google assistant,IFTTT Nest,Voice control your Garage Door Gas Fireplace light and Computer. Easy installation,The Smart Relay can add WIFI to your most home appliance,WIFI Remote Control from anywhere Timing and Sync Status Easy Share Function,Set scheduled countdown timers to turn on/off at specified time Scene-Turn on/off a gang of devices with one tap Smart Scene-Trigger on/off by temperature, humidity or other environmental conditions DIY your smart home,no need to change wiring appliance or existing button,control your home just by phone and voice command by Alexa Goolge home assistant