Hikvision Ax Pro Wireless Mifare Tag Reader * LED display * Patrol tag check in * Frequency hopping * Frequency: 433Mhz * RF transmission range: 900m (open Area) * Battery type: AA x 3 * Encryption: AES-128 * Battery life: 2 years (swiping tag 10 times per day) * Colour: White * Size: 75mm x 124mm x 21mm * Weight: 176g * 3 Year Warranty