Working frequency: 433MHZ Working voltage: 6V Working current: 11mA Remote control distance: 10-30m (in an open environment, the sensitivity of the receiving device is -100dbm) Modulation mode: ASK amplitude modulation Matching method: learning code Applicable to electric door remote control, telescopic door remote control, garage door remote control, motor control remote control Curtain control remote control, LED light remote control, car and motorcycle remote control, industrial equipment remote control, etc. Color: Black Material: plastic Package Contents: 1 x Garage Door Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.