Small remote controls which operates at 433 MHz frequency range are transmitters that you can use in many wirelss systems and can do various commands and turning on and off operations remotely.
You can control a system with 433 MHz receiver remotely or use Relay RF Receiver Boards with 1 channel remote control. This remote works with a 12V 23A battery.
P.S: Image is only for representation. Different type or colour might be sent due to stock conditions. There is no battery included in the package.
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