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4 Channel RF Wireless System (315MHz) Easily implement a car central lock system (4 doors). Or it can be for garage door openner and remote lighting control. Easily implement a car central lock system (4 doors). Or it can be for garage door openner and remote lighting control. Come with high quality remote with slide cover on key button. The receiver is relay ouput type. Capable of high voltage / current control. Single 12V operation. The relay output can be: The relay can handle up to 20A current. Control distance up to 100 metre (indoor), 200 metre (outdoor) |