Description: This is a 433MHZ single-way access control switch all way wireless remote control switch receiving board. Working voltage: DC12V. Output mode: relay normally open and normally closed passive contact (switch output). t is used for remote control of door control, remote control of electric lock, remote control of garage door, remote control of wireless doorbell, remote control of car rear end box, anti-theft alarm, remote control of electric remote control, etc. High receiving sensitivity, receiving plate relay contact independent output, using fixed code wireless coding technology. Specification: Material: Electronic Element Quiescent Current: 10MA Contact capacity: 7A Remote Control Distance: 20~100 meters The working frequency: 315M Dimension: 36x 32x 20mm/ 1.42x 1.26x 0.79inch Shell Size: 40x 40x 26mm/ 1.57x 1.57x 1.02inch Learning Method: after the controller is powered on, the indicator light is always on, and then the indicator light will go off automatically after pressing the learning button for 2-3 seconds. Release the learning button, press any key of the remote control, and the indicator light will flash 5 times quickly, indicating successful learning. Clear Method: keep pressing the learning key for 8 seconds and the indicator light will be off until the recovery is long and clear successfully Set Description: each set of a remote control, a receiver (including the case), if you need other appearance of the remote control or add the remote control to contact the customer service to take another shot ejector Package Includes: 2 Piece ejector 1 Piece acceptor