RF433MHZ Remote Control For Smart Home Devices 4 Gang EV1527 Code Transmitter 2 Way Control 433Mhz RF Wireless Switch 100m Range

High-concerned chemical：None Support APP：Yes Frequency：433 MHz Channel：2 Package：Yes Model Number：Remote Control Wireless Communication：RF Use：Universal Origin：Mainland China Certification：CE,FCC,RoHS

High-concerned chemical: None Support APP: Yes Frequency: 433 MHz Channel: 2 Package: Yes Model Number: Remote Control Wireless Communication: RF Use: Universal Origin: Mainland China Certification: CE,FCC,RoHS