Features : * Wireless Ceiling Mount Quad Detector * 3.6m maximum diameter coverage pattern * Digital signal processing * Digital temperature compensation * Auto learn function * Up to 3 years battery life * EN50131-2-2,EN50131-5-3,PD6662.2010 Grade 2 Class II  Availability: Pre-Order  Model: TEXGBM-0001  Manufacturer: Texecom