[DIY] Remote control + wireless switch are used together, which is more convenient and reasonable, simple to pair and easy to operate, and can turn various devices at home into wireless remote control devices [2.5D high-definition tempered glass] In order to have a better feel, we use higher-cost curved tempered glass, which is more high-end [Fluorescent function] The buttons will emit a faint light at night to indicate the position of each button. The weak light will not disturb the rest of the family. [Two fixing methods] It can be placed on the desktop or fixed on the wall with the provided screws. Suitable compatible with various application scenarios [Long battery life]CR2032 battery can be used compatible with about 3 months according to theoretical calculation (depending on the frequency of use) [Control distance] 30~100M long distance (open area) [Angle Adjustment]The bracket can be adjusted from 0-100° to suit your optimal compatible withehead angle [433MHz] Learning code (1527), transmission distance 30-50m (open space), bringing you a remote control experience and bringing more convenience to your daily life. [RF Pairing]Support remote wireless control of your garage door, electronic door, appliances and other remote control devices. (Only supports products with the same radio frequency) Supports RF433 radio frequency product function products to be used together. Modulation method: ASK Transmission frequency: 433.92 MHz Coding method: Learning code EV 1527 Product size (each piece): 11.8X4.5cm Remote control battery: CR2032 (battery included) Transmission distance: 30-50m (open space) Working voltage: DC 12V/27 Colour:Black Material:abs Package Contents: 1 x remote control switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.