WORKING VOLTAGE: The small size 12V single channel remote control switch adopts 1A relay, the working frequency is 433MHz, and the working voltage is DC12V. LEARNABLE: This 433MHz RF wireless remote control switch can learn multiple remote controls, and all buttons of each remote control can be learned. PARAMETERS: The wireless remote control transmitter adopts latching, momentary and interlocking working methods, and has built in 2 CR2016 (75mAh) button batteries. FLEXIBLE: The switch can control multiple switches with one remote control, or control one switch with multiple remote controls. The is simple and flexible, and can be combined arbitrarily. HIGH QUALITY MATERIAL: The wireless remote control switch is made of high quality ABS material, which is sturdy and and can be used for a long time., Manufacturer: ciciglow