Application: Pumps, Mud Pumps, Motors, Lamps, Fans, Fans, Insecticide Machines, Sprayers, Car Washers, Bells, etc. Various types of electrical equipment (for home use, power up to 3,000 watts Electrical appliances). Long range+Easy to control: Wireless control, easy to install.The hand transmitters have a range In the open area of about 2500m. Constructions, interfering radiation and interference fields reduce the range.((We actually tested 2360 meters.) The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding. Wireless RF signal can pass through walls, floors, doors or windows. You can use two or more units in the same place. You can turn on/ off the receiver with transmitter (remote control) from any place within a reliable distance. Reliable control: The receiver only works with the transmitter which use same code. One/several transmitters can control one/several receivers simultaneously. High Power: Each channel can work at maximum current 30A, Do not need AC contactors, direct control of water pumps, motors, lamps, car washers, etc. within 3000W 18 month warranty + High sensitivity:RXB8 module, sensitivity -114dBm, sensitivity and anti-jamming capability are far beyond super-renewable and ordinary superheterodyne modules on the supermarket, and the remote control distance is farther and more stable. 18 months warranty is provided, so you do n’t have to worry about quality issues. If you have any product quality issues within 18 months, we will provide free warranty service.