Features: Strong anti-interference ability: This wide voltage remote control switches has high wireless remote control sensitivity and strong anti-interference ability. You can learn the decoding of a microcontroller or learn multiple remote control. The wireless remote control switches module has simple and flexible operation, professional manufacturing, stable working performances, and high reliability Wide application range: The remote control switches module switches module remote control receiver module is suitable for small desk lamps, routers, cameras, mobile phones, mini TVs, monitors, game consoles, chargers, smallstereo devices. Easy to install: The wireless RF switches remote switches module has a small size, light weight, small storage space required, simple and compact design, small size, and is suitable for installation in various narrow space. Specifications: Switches Board Length：approx 34mmx14mm/1.34x0.55in Remote Size:approx 4x2cm/1.57x0.79in Connect technology：Wireless Voltage：3.7‑12V Remote Control Distance：approx 30Metres Color: Black /White Package Includes: 1Set Remote Control note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you