Specifications: Control Lights, TVs, Motors, Fans, Cameras, Video signals, Audio signals, electrically operated Doors/ Locks/ Windows. 1.Transmitter Channel: 1 CH Remote Control Distance:0-3000 M ( Ideal Distance without any block and signal interfere , it would rise and fall about 10%-90% with the block and signal interference.) Encode:PT2262 Frequency:315 or 433 MHz Size: 150mm x 42mm x 26mm Power Supply: 1 X 6F22 9V Battery (NOT included) 2.Control Mode 1)Toggle/Self-Lock: Press->On; Press again->Off Press one button for one time is working/ON .press the same button again is stop/OFF .(1 channel switch(receiver) need 1 button remote control (transmitter). 2)Latched/Inter-Lock: Press->On; Press other button->Off Press one button is working/ON ,press another button is stop/OFF . ( 1 channel switch( receiver) need 2 buttons remote control (transmitter). 3)Momentary/Jog: Press and hold->On; Release->Off Keep pressing one button is working /ON. loosen your finger is stop/OFF .1 channel switch(receiver) need 1 button remote control (transmitter ) (Original Setting is Toggle , Change it by yourself.) Decode: Fixed code, soldering Power Supply (Operating Voltage): AC 220V 110V Relay: 10A/250V AC, 10A/125V AC, 10A/30V DC, 10A/28V DC Work Voltage Range of Relay: AC 110-240V or DC 0-28V Sensitivity:-105 dBm Operating Temperature:-40‘C ~ 80’C Size:55 mm x 24 mm x 17 mm 3.Package Included 1 x Receiver (with cover) 1/2/3 x Transmitter (no battery inside) 4.Learn code and Remove Code Learn: input the power for the receiver,press the learning button and the LED indicator turns ON.Then press the transmitter key ,the indicator flashes some times and turns OFF,it means learning successfully. Remove:keep pressing the learning button on the receiver about 5-8 seconds until the indicator turns ON and keep blinking,it means the codes are cleared successfully.