Specifications: Control Lights, , Motors, Fans, Cameras, Video signals, Audio signals, electrically operated Doors/ Locks/ . Working Voltage: DC12V-36V Current:Standby less than 10mA,Working less than 128mA Working Temperature: -10-+60 Receiver Frequency: 433.92MHZ Receiving Sensitivity: -105dB Output State: Switching Value Max Load:10A Relay, Resistive load less than 8A, Inductive load less than 3A Encoding Type: Learning Code Add transmitter by the Learning Button on the receiver About Working way:Working way changed by Learning button Momentary: the Learning Button 1 times. Relay: and hold On; Release Off. Toggle: the Learning Button 2times. Relay: On; same button again Off Latched: the Learning Button 3 times. Relay: On; other button Off. 2channel Momentary+2channel Latched: the Learning Button 4 times (The product printed words depending on the batch, but this does not affect use) Color:Black Material:ABS Package Contents: 1 * 433MHZ Wireless Remote 1 * Relay Receiver Module 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.