1. Working voltage: DC12V-72V2. Quiescent condition: Less than 8mA3. Working temperature: -40 Degree +80 Degree4. Receiver sensitivity: more than -105dBm5. Working frequency: 433mhz6. Output voltage: Input=output Momentary: Relay: Press and hold -> On; Release -> Off.Toggle: Relay: Press -> On; Press same button again -> Off·Latched: Relay: Press -> On; Press other button -> Off.Delay time :Press remote control button, the corresponding relay actuates and keeps working until the time out. About Learning and clearing Method: Input 12V for the Receiver ,Momentary: press the Learning Button 1 time. the Led indicator flash 1 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully.Toggle: press the Learning Button 2 time. the Led indicator flash 2 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully.Latched: press the Learning Button 3 time. the Led indicator flash 3 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully.Delay time (5S): press the Learning Button 4 time. the Led indicator flash 4 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully.Delay time (10S): press the Learning Button 5 time. the Led indicator flash 5 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully.Delay time (15S): press the Learning Button 6 time. the Led indicator flash 6 time, Then press transmitter, the Led indicator flash for 3 times, learning successfully. Clearing: Press the Learning button 8S . Until the receiver Led indicator flash for 3 times and OFF, it mean Clearing Code About Transmitter: 1.Buttons: 2 Buttons 3.Operating frequency :433MHz 4.Remote Distance: 20-70M 5.Operating Current: 13 mAh 6.Encode: EV1527 code 7.Size: 5.7 x 3.2 x 1.1cm