ITEM NAME:433Mhz Wireless Remote Control Switch DC 12V 2CH Relay Receiver Controller Description: The 12-volt 2-way wireless intelligent receiver controller with two relays allows the device to be controlled to reach the forward and reverse rotation of the motor, or the on/off transition of the switch and various special control procedures. The product has the characteristics of stable performance, small size and high receiving sensitivity. Mainly used in electric doors, windows, lifting equipment, gateways, lifts, industrial control and security industry. This controller is compatible with many different types of wireless remote controllers such as 2262/2260/1527/2240. Customers who can meet different needs can be matched with their favorite remote control, and can choose the data bits and working methods that customers need. Specification: Material: FR-4 pcb board Working voltage: DC12V (12V23A) Working frequency: 433MHz Working chip: learning code (1527) Transmission distance: >1000m (opening board sensitivity is above -103dBm) Modulation method: ASK (amplitude modulation) Number of buttons: 1 button, 2 buttons, 4 buttons, 5 buttons, 6 buttons, 8 buttons (optional) Product size: 70x50x18 mm / 2.75x1.96x0.70 inch output method: A, non-locking - the default working mode, the work switching jumps and does not insert; B. Self-locking - connect the T position with a shorting cap C. - connect the L position with a short circuit Learning/clearing methods and steps: 1. Press the learning button, the indicator light is off, let go, press any button on the remote control and the indicator light flashes four times and then it is always on, indicating that the learning is successful; 2, can learn more than 20 different address codes of the 2262 chip, 1527 chip and other wireless remote control of the same frequency; 3. Clear: Continue to learn the button, the indicator light is off to long light, indicating that all the stored information has been successfull.Working frequency: 433MHz. C. - connect the L position with a short circuit. B. Self-locking - connect the T position with a shorting cap. Do not operate with power. Material: FR-4 pcb board. Transmission distance: >1000m (opening board sensitivity is above -103dBm).