Hikvision Ax Pro Wireless Keypad and Mifare reader with LCD Screen * LCD screen and LED to indicate system status * Full touch key design with LED backlight * 433MHz two-way wireless communication * 800m RF distance (open area) * Frequency: 433Mhz * Four CR123 batteries * Battery type: CR123A x 1 * Colour: White * Dimensions: 174.63 x 109.62 x 25.25 mm * Weight: 348g with batteries * 3 Year Warranty