①.Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. ②.Note: This item is with Frequency 315MHz, and it can only work for Chuango Alarm System in 315mhz Frequency. ③.Overview: Easy to carry around on a keychain or in your pocket or purse, the RC-80 helps you quickly arm or disarm your alarm system, and comes with a SOS panic button. ④.Product Features: *315MHz frequency, stable transmission. *With high reliability and low power consumption. *It has the button of arm, disarm, home arm and SOS, so you can operate remotely. *The program uses automatically partial code, effectively overcome the traditional shortcomings of remote control code. *Compact design with key-chain, easy to carry and keep. ⑤.Specifications: Power Supply: DC 3V (CR2025 Lithium Battery * 1PCS) Alarm Current: ≤7mA Transmitting Distance: ≤80m (in open area) Radio Frequency: 315MHz Housing Product material: PC+ABS Plastic Operating Condition Temperature: -10°C~+55°C Relative Humidity: ≤80% (non-condensing) Item Size(LxWxH): 58 * 31 * 9.5mm Package Size: Approx. 16 * 11 * 5cm / 6.3 * 4.3 * 2in Package Weight: Approx. 50g / 1.8oz ⑥.Package List: 1 * Wireless Remote Control ⑦.Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.