ITEM NAME:1CH 433MHz Wireless RF Remote Control Switch DC 12V Relay Transmitter + Receiver 100% brand new and high quality. Three output working modes for choosing. Safe and flexible for operation and install. Widely use in house, mall, electromobile, cars, motorcycle anti-theft alarm system or other control systems. Specified as preferred components in remote control garage, roller curtain, door locks, remote sensing, telemetry, industrial control and wireless security alarm industry. Output working way: Jog /Non-locked: Press a button is working/ on and loosen your finger on the same button is stop/ off. (A channel change needs a remote control button) Auto-lock: Press one button for one time is working/ on and press the same button is stop/ off. (A channel change needs a remote control button) Inter-lock / locked: Press a button is working/ on and press another button is stop/ off. (A channel change needs 2 remote control buttons) Learning and removing method: 1. Learning method: Press the learning code for 3 seconds. The indicator will be off, and then loosen your finger, press any button of the remote control to transmit signal, the indicator flash 3 times and then normally on which means you learn it successfully. 2. Remove/clean method: Press the learning button about 8 seconds, the indicator will be from being off to on all the time, it means the information that you keep have been removed successfully. Specifications: Material: ABS+Metal Color: Black Size: 35×32×17mm/1.38×1.26×0.67in (Approx.) Operating voltage: DC 12V Operating Current: ≠¤ 6mA Operating frequency: 433MHz Operating temperature: -40 to + 80 Receiver sensitivity: ≠¥-105dbm Output voltage: DC Output Current: ≠¤ 10A Code: Learning code. (Jog/ Non-Locked, Inter-lock/ locked, Auto-lock / Auto-Locked) Quantity: 1 PC (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not m.Inter-lock / locked: Press a button is working/ on and press another button is stop/ off. Receiver sensitivity: ≠¥-105dbm. Also note that monitor settings may vary from computer to computer and may distort actual colors.