WT5500 Version 1.4. 2×16 full message display. Display and keymat backlighting. 5 programmable function keys. 3 one-touch emergency keys. Nominal battery life – 1 year. Compatible with IMPASSA, ALEXOR and PowerSeries. Visual armed status during sleep mode. Blue LCD display screen. Available in 433 MHz and 868 MHz. 6.7? × 4.9? × 1.42? 170 mm × 124 mm × 36. 4 AA batteries Battery Life. 14º to 129ºF (-10º to 54ºC) Relative. Please ask if you have questions about compatibility concerns with other DSC Security equipment. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.

Item: DSC WT5500 2-Way Wire-Free Keypad V 1.52 for Impassa and Power Series NEW. Missing box and parts. Please see photos provided as they are part of the description. We are not a professional or collector, so we detail to the best of our ability. Please message us if you have questions or would like more photos. DSC WT5500 Version 1.52. Compatible with Impassa and PowerSeries. Check out my other DSC PowerSeries listings! We do our best to protect your items by packaging them securely (check our feedback). We deal with a wide variety of estate clean outs, storage unit clean outs and other merchandise liquidations. A case will automatically be opened after 2 days of nonpayment.