Item Type: Relay Remote Control SwitchMaterial: ABSWorking Voltage: DC12VOperating Frequency: 433MHzOutput Mode: Switch SignalMaximum Load: 1AWorking Mode: Latching, Momentary, Interlock (Switching Through Pads)Remote Control Built in Button Battery: 2 x CR2016(75mAh)Package List1 x Relay Remote Control Switch1 x Remote Control1WORKING VOLTAGE: The small size 12V single channel remote control switch adopts 1A relay, the working frequency is 433MHz, and the working voltage is DC12V. 2LEARNABLE: This 433MHz RF wireless remote control switch can learn multiple remote controls, and all buttons of each remote control can be learned. 3PARAMETERS: The wireless remote control transmitter adopts latching, momentary and interlocking working methods, and has built in 2 CR2016 (75mAh) button batteries. 4FLEXIBLE: The switch can control multiple switches with one remote control, or control one switch with multiple remote controls. The operation is simple and flexible, and can be combined arbitrarily. 5HIGH QUALITY MATERIAL: The wireless remote control switch is made of high quality ABS material, which is sturdy and durable and can be used for a long time.