8 Channel Remote Control Module, Wireless Remote Control Switching Module, 100M Fixed Code Remote Control, Wireless Remote Control Switch, Relay Module (12V).

Specifications: Item Type: Remote Control Switch Material: PCB Operating Current: Less than or equal to 18 mA Oscillation Mode: SAW Resonator Oscillation Resistance: 270K Modulation Method: ASK OOK Operating Frequency: 433.92 MHz Frequency Deviation: ±0.2 MHz Encoding Format: Million Group Code (EV1527) Transmit Power: 15 mW Data Rate: 50 to 60 kHz EV1527 Working Distance: Approx. 100 m / 328.1 ft Wireless Receiving Sensitivity: -108 dBm Maximum Relay Load Capacity: DC 1-110 V, 5 A; AC 85-265V, 6A Remote control battery: 12V 23A battery x 1 [battery not included] How to use: Remote control adapter (learning remote): 1. In normal operating mode, the LED is always on. When a valid remote key value is received, the LED flashes. 2. Clear code: Press and hold the button; the LED will turn off. After approximately 5 seconds, the LED will turn back on, and the code clearing is complete. (Note: Once the code clearing is performed, the previously registered remote control will not exist. If you need to use the old remote control, please relearn it.) 3. Adaptation (learning): Package list: 1 x control board 1 x remote control