This is a 433MHz 12V 2 Channel Relay Module Wireless Remote Control Switch without Battery. This switch can learn different coding remote controls One/several transmitters can control one/several receivers simultaneously. If you use a multi-button transmitter, you can control the controller with different buttons, it won t affect each other.433MHz The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding.
RF 3-Phase Starter Motor Remote System.Distance of working Signal from 200 to 300 Meters in open air.Easy to install.We can operate this system by remote or Manual to Starter.Addressable.ON/OFF Control by Remote at all Direction.Save Energy of Power, Water and EB Bill.