1、The wireless remote control switch can control lamps or other household appliances through the remote control. 2、It has the characteristics of long control distance, high sensitivity, strong anti‑interference, and good stability. 3、With excellent stability, the relay module provides high signal sensitivity and anti‑interference at a lower cost. 4、The relay switch adopts non‑directional wireless coding technology, which allows independent control without mutual interference. 5、It can be used in industrial control and security fields, such as lights, wireless security alarms, wireless access control alarms, etc. 1 x Receiver1 x Transmitter Item Type: Wireless Remote Control SwitchMaterial: PCBWorking Voltage: DC 3.5V-DC12V (Wide Range of Working Voltage DC 3.7V 4.5V 5V 6V 9V 12V is All Right) (Can Be Used with Dc Power Supply/Rechargeable Lithium Battery/Power Bank)Maximum Load: 1A (There is a Better Load Below 700mA)Quiescent Current: 5mARelay Working Current: 20-30mAWorking Mode: Instantaneous SwitchingEncoding Type: Learning Point to Add TransmitterNormally Open Port (NO) Common Port (COM) Normally Closed Port (NC)Built-In Button Battery in the Remote Control: 80mAh Button Battery (Delivered with Battery)