We can offer OEM service to manufacture the circuit breaker with your logo, if you need,feel free to contact the seller! Notice: This is relay type, have no short circuit ,overload protection 18mm Din Rail WIFI Smart Switch Remote control byeWelink /TuyaAPP for Smart home Feature 1.Remote control at anytime from anywhere 2.Timer ON/OFF 3.Scene setting,home sceneTurn on the light, turn on the water heater, turn on the TV, turn on the air conditioner,, going out scene(Turn off the lights, turn off the water heater, turn off the TV, turn off the air conditioner, etc. 4.Sharing devices with family and friend 5.18 mm Din Rail install Specification StandardGB109631/ IEC60898 Rated Voltage AC100-240V AC400V Rated Current1-63A Frequency50/60Hz Potecion P20 Poles1P+N Control Remote control Connection : 2.4GWIFI NoticeChecklist before using the device1.Your smart phone shoud be connected 2.4GWIFI with internet2.Down the tuya App from App Store or Google Play storecreate an account and log in. 3.During pairing proce,make sure that your IOS or Android device and the Tuya device is within the range of the router. 4.The device only supports 2.4G nework Please don`t connect to a 5G network or hybrid network 5.Enter correct WIFI pawords ,Make sure that your WIFI SSID and Pawords don`t contain special characters TuyaConnection method eWelinkConnection method