[DIY] Remote Control + Wireless Switch: Use them together for more convenient and efficient control. Easy pairing and operation can turn various household devices into wireless remote-controlled ones [2.5D HD Tempered Glass]: For a better touch experience, we use high-cost curved tempered glass, offering a more premium feel [Glow Function] Buttons emit a faint light at night to indicate their positions without disturbing family members' sleep [Two Mounting Options] Can be placed on a table or mounted on a wall with included screws, suitable for various application scenarios [Long Battery Life] The CR2032 battery lasts approximately three months based on theoretical calculations (depending on usage frequency) [Control Range] 30~100 meters long distance (in open areas) [Angle Adjustment] The stand can be adjusted from 0 to 100°, suitable for the best forehead angle [433MHz] Learning code (1527), transmission range of 30-50 meters (in open areas), providing a new remote control experience and bringing more convenience to your daily life [RF Pairing] Supports remote wireless control of your garage door, electronic door, appliances, and other remote devices (only supports products with the same RF frequency) [Compact and Convenient] Lightweight and compact design, the remote key is very convenient to carry when you go out Specifications: Modulation Mode: ASK Transmission Frequency: 433.92 MHz Encoding Mode: Learning Code EV 1527 Product Dimensions: 11.8*4.5cm Remote Control Battery: CR2032 battery (included) Transmission Distance: 30-100 meters (in open areas) Operating Voltage: DC 12V/27V