Rated voltage: 3V (CR2032) Installation: Wireless Learning frequency range: 287MHz, 300MHz, 310MHz, 315MHz, 315.5MHz, 330MHz, 360MHz, 390MHz, 410MHz, 433.42MHz, 433.92MHz, 434.42MHz, 868.35MHz, 280-868MHz Radio transmission distance: 30-100m (open area) Scope of application: Garage door, alarm, automatic door, rolling door, etc. Fashionable, simple and elegant design 1 remote control can control up to 4 different devices Clone 4 identical frequencies at the same time Clone 4 different frequencies at the same time Easy to replace battery Battery: 1 x CR2032 (included) Compatible with various systems Uses: Garage doors, gate doors, motorcycles, car alarms, home security products, short-range wireless remote control products, industrial control products, alarm systems, etc. Color: Grey Material: ABS Package Contents: 1 x Remote Control Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.