suitable for 433MHz Industrial 12CH Receiver DC12V-48V RF Wireless Remote Control Overhead Travelling Crane System-YI WU CHUN HUI 1. Working Voltage: 12V-48V (12V 24V 36V 48V all is ok) 2. Quiescent Current: less than 10mA 3. Working Current: 30mA (1 Relay) 4. Working Temperature: -40 - +80 5. Receiving Sensitivity: more than -105dBm Control Lights, , Motors, Fans, Cameras, Video signals, Audio signals, electrically operated Doors/Locks/. Working Frequency: 433MHz The way ofoutput: A. 1-12CH Momentary - Press Transmitter Button "1"to learn B. 1-12CH Latched - Press Transmitter Button "2" to learn C. 1-12CH Toggle-- -- Press Transmitter Button "3" to learn D. 1-6CH Momentary, 7-12CHLatched - Press Transmitter Button "4" to learn E. 1-6CH Momentary, 7-12CH Toggle - Press Transmitter Button "5" to learn F. 1-4CH Momentary, 5-12CH Latched - Press Transmitter Button "6" to learn G. 1-4CHMomentary, 5-12CH Toggle - Press Transmitter Button "7" to learn H. 1-4CH Toggle, 5-12CH Latched - Press Transmitter Button "8" to learn Momentary - Press the Transmitter button 1, the receiver relay 1th is ON, release button 1; the receiver relay 1th is OFF, the same as 2/3/4/5/6 - 12 are . Toggle - Press transmitter button 1 for 1 time, the receiver relay 1th is ON, press button 1 again, the receiver relay 1th is OFF, the same 2/3/4/5/6 - 12 are . Colour:White & Yellow Note: Due to different production batches, there are differences in label printing, which does not affect use. Material:Plastic Package Contents: 1 * Controller 1 * Antenna 1 * 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. Please pay attention to the title and description when buying, and pay attention to the title and description when buying.