ITEM NAME:12V Relay Wireless Remote Control Lamp Two Key LED Switch Transceiver SN9F Product Description Description: specification: 1, the working frequency: 433MHZ 2, the working voltage: DC12V 3, quiescent current: ≠¤ 10mA 4, remote control distance: 20 ~ 100 meters or more (this is equipped with different remote control in the open remote control of the actual distance) 5, contact capacity: ≠¤ 7A 6, encoding type: fixed code (2260/1527-M4 chip), pad code 7, the output mode: relay normally open normally closed passive contact (switch output) 8. Receiving sensitivity: ≠¥-95dB study method: After the controller is.Press and hold the learning button for about eight seconds. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. Warranty Service.