ITEM NAME:DC 12V 1 Channel Wireless Relay Remote Control Switch Receiver Transmitter Description Material: plastic + electronic components Size: 58*38*15mm Voltage: 12V Power: 0.003w Capacity: 60mAh Battery model: 23A Packing: 1* receiver 1* remote control High quality store for you! DC 12V 1 Channel Wireless Relay Remote Control Switch Receiver Transmitter.Battery model: 23A. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.