3.7-12V Wireless Remote Control Switch Mini Small PCB 433mhz RF Transmitter,3V -12V Battery Power Circuit Micro Controller for DIY

Description

🚀 Elevate your DIY game with wireless precision and zero fuss!

This ultra-compact 433MHz RF wireless remote control switch operates on a wide 3.7V to 12V range, delivering stable signals up to 50 meters through obstacles. Featuring five customizable working modes and pre-paired transmitter-receiver units, it offers flexible, interference-free control ideal for smart home, security, and small device automation projects.