Transmitter andamp Receiver Wireless RF 12V Remote Control Switch DC 433MHz 4 Channels Description: 12V 4-Channel Wireless Smart Receiver Controller with 4 Relays Make the control equipment meet the requirements of positive and negative engine rotation and turn on and off, as well as various special control procedures. stabilization, small size and high sensitivity. Used in electric doors, windows, lifting equipment, gates, elevator control and safety industry. Specification: Channel: 4 channels Radio Frequency: 433 MHZ Operating voltage: 12 V DC Standby Current: 10mA Operating temperature: - 40 ℃ to and 80 ℃ Material: electronic components Receiver size: approx. 72x52x26mm or 3.5x2.1x1 inch Switch: 60x30x10mm or 2.8x2x0.4 inch Current Output: ≤10A Static operating current: ≤6mA Receive Sensitivity: ≥-105dBm Output voltage: and DC (optional) Action Type: Self-Locking, Yoga, Lock Methods of Learning or Cleansing 1. Press the learning button, the indicator will go out, release your hands and press any remote control key, the indicator will light up after flashing three times, which means learning. 2. It can learn more than 20 different address codes 2262 chip, 1527 chip, etc. Wireless pilot with the same frequency. 3. Press the learning button by about , the indicator light will light up, which means that all saved information has been successfully cleaned. The package includes: 1 piece remote control switch 2 pieces receiver module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.