Features: 1HIGH POWER LOAD: 220V single channel remote control switch, using 10A relay, can load larger power appliances, professional design, to ensure safe and stable use. 2LEARNING FUNCTION: Multiple remote controls can be learned, all keys can be learned, one remote control can control multiple switches, or multiple remote controls can control one switch. 3WORKING MODE: Short circuit the pads to realize inching, interlocking or self locking working mode, select resistance capacitance or power module to reduce voltage. 4FLEXIBLE USE: In order to facilitate the use of customers, this controller can output dry contact signals and output live voltage, simple operation, flexible and arbitrary combination of matching. 5WIDELY APPLICABLE: This wireless relay switch is mainly used in fields such as lamps, electric doors, window, lifting equipment, lifter control and security industries. Package included: 1 x Relay 1 x Remote Control 1 x Plastic Box