ADT / DSC Wire-free Keypad WT5500-433 WT5500 Brand New In Open Box Wireless 2x16 full message display Intuitive clock programming Multiple door chime Ambient light sensor Display and keymat backlighting Outdoor temperature display Wall and Deskstand* mount ? Proximity Arm/Disarm (WT5500P Only) Installer?s programming Multi-Language support 5 programmable function keys 3 one-touch emergency keys Tamper switch Nominal battery life Compatible with IMPASSA and PowerSeries (via TR5164-433) Visual armed status during sleep mode Blue LCD display screen Supports Alarm.com messaging Available in 433 MHz Item is New open box CONDITION Item comes exactly as pictured. If it is not in the picture, it does not come with the item unless stated in the description. You may not receive the exact unit pictured, but one in similar condition. Check compatibility with your system. We are not responsible for incompatibility or improper installation. 20% RESTOCKING FEES AND SHIPPING WILL BE CHARGED. IF ITEM IS FUNTIONAL OR INCOMPLETE. Your feedback is extremely important to us! If you are satisfied with our service please take the time to give us positive feedback. We tremendously appreciate it! We strive for your complete satisfaction. Likewise, if you have any issues, please contact us first, and we promise we will do our best to satisfy your needs and solve the problem. If we resolve your problem, we kindly ask you to still leave us positive feedback. Your kindness will be extremely appreciated!