Configuration: With arming key, disarming key, quick bypass key, emergency button function. Battery: Battery life is up to 3 years, no replacement is required. Effectively overcome the shortcomings of traditional remote control re-code. Function: Waterproof, anti-pressure, anti-collision automatic control equipment features. The shape design is small and easy to carry, Safer and more assured. Working voltage: 3V Rated current: 10 mA Transmitting frequency: 433MHz Wireless distance: 100 m Use temperature: 10 degrees to 55 degrees Use: Universal Wireless Communication: RF Model Number: RC22 Channel: 1 Colour:white Size:55 x 30 x 10mm Material:metal and plastic Package Contents: 2 x Intelligent Remote Control 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.