Check the listing for details. Transmitter Kit DC 12V 10A 433MHz Wireless RF Relay Remote Control Switch. Condition: New. Listed at 12.60 USD. Features: 100% 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 Specifications: Size: 35*32*17mm 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) 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. Package include: 1 x Receiver 1 x Transmitter（Batteries not included）