Technical specifications Wireless large Blue LCD screen keypad with prox with Ricochet mesh technology Fully functional keypad; not just an arming station Operating speed equivalent to wired keypads 3-year battery life with typical usage (4x AA lithium batteries supplied) Requires Premier Elite systems with V3.1 wireless receivers (or higher) Integral proximity reader for use with Texecom RFID prox tags EN50131-1, EN50131-3, EN50131-5-3, PD6662 Grade 2 Class II