STRONG SIGNAL - Adopts RF technology, it can pass through walls, floors and doors, control the receiver from any place within a reliable distance. The maximum range is up to 328 feet unobstructed. Learning code provides high security due to low repetition rate and relearn mode, which allows you to erase the old code and relearn a new code when a remote control is lost. High-power charging: The receiver adopts 40A relay, which can charge large-power electrical appliances to ensure long-term stability control . Wide application: It is mainly used in lamps, electric doors, windows, door, , industrial control and security industry and other fields. NOTE: This is not a potentially free contact that only activates the supply voltage. Please select the appropriate remote control switch according to your device voltage. Product Description What are the features of the DIY remote control switch? 1.3000W high power, enough to meet the use of electric water heater and high power pump unit. 2. 100 meters remote control distance, easy to work in garden square farms and even factories. 3 Just connect it to the circuit, no complicated settings. Ordinary people can complete it. 4. Compact design, you don't need to take up much space. Technical indicators: voltage: AC80V-300V max load: 30A working distance: 100m Package includes: 2 x remote controls 1 x switch 1 x manual Helpful tip: 1.Connect the switch to the circuit, no corresponding remote control 2. Welcome to my store, please enjoy your shopping. Any problem, please contact me.