Ultra Distance Control: Far to 5000 meters remote control distance, less walking a few kilometers per day. One-click remote control is simple and convenient: Suitable for household appliances, agricultural irrigation, equipment controi, Fish Pond aeration, etc. Single-phase intelligent remote remote control switch: Easily solve the problem of turning on and off the power supply back and forth. Strong signal can pass through the wall: 360 ° all-round remote control of partition wall, Depending on the environment, the remote control distance is about 300-5000 meters. Built-in high efficiency step-down capacitor: (Suppress electromagnetic interference of power supply) resistance and capacitance step-down., Manufacturer: Akfldms