AJAX (38249.12.WH1) KeyPad, Wireless Touch Keyboard - White Proprietary wireless communication technology to transmit commands, alarms, and events (Indoor) When KeyPad is active, it notifies with LED indication of the security mode, problems with detectors, or communication loss with the hub Key features: Two-way communication; Advanced anti-sabotage; Block encryption featuring a dynamic key; Instant notifications; Remote control and configuration in Ajax apps Access codes: up to 200 personal codes Duress codes: up to 200 personal codes Codes for unregistered people: up to 99 personal codes Sensor type: Capacitive Functional button: Alaram, Mute Fire Alarm Anti-sabotage:Protection against code guessing, Tamper alarm, Protection against fraud, Communication loss detection. Size & Weight: 150 × 103 × 14 mm, 197 g Battery: 4× battery Warranty: 1 Year Official Warranty.