Note:433mhz and 315 mhz are available ,315mhz will be sent out if there is no demand on frequency ! Receiver Decode: Learning Code Control Type: Toggle, Momentary, Latched Power Supply (Operating Voltage): DC 12V / 24V Relay: 10A 250VAC 10A 125VAC 10A 30VDC 10A28VDC Work Voltage Range of Relay: DC 0-28V State current: 6 mA Sensitivity:-105 dBm Operating Temperature:-40C - 80C Size:87 X 77 X 26 mm Transmitter Channel: 8 CH Remote Control Distance:200-3000 M ( Ideal Distance without any block and signal interfere , it would rise and fall about 10%-90% with the block and signal interference.) Encode: E V1527 Frequency:315 or 433 MHz Size: 136mm x 42mm x 25mm Power Supply: 1 X 9V/ 6F22 3.Function (Original Setting is Momentary , Change it by yourself.) 1).Toggle/Self-lock :Press 1 button==>on,press the same button again==>off 2) Momentary/Jog:Press and hold==> on, release==>off 3)Latched/inter-lock:press 1 button ==>on,press other button==>off 4.Clear Code and Learn Code 1) Learn press the learning button 1 time,the learning LED turns on,then press the transmitter key to learn.the learning led flashs and turns off. means learn sucessfully. 2) Clear press the learning button for 5 seconds,the learning LED flashs and turns off, that means the code has been cleared. pacote inclued: A: 1 x Receiver(with cover) 1 x Transmitter(with battery) B: 1 x Receiver(with cover) 2 x Transmitter(with battery) C: 1 x Transmitter(with battery)