Technology Parameter Target gas : methane, coal gas ,LPG Connection mode: pass valve Size:1/2",3/4",1" Material: brass alloys , aluminum die casting Interface material :steels Temperature:-10 degree C to 50 degree C Stress :100kpa Working ... - Update: 2010-09-06

Features and Specifications *4 zones, 8 zones,16 Zones opetional, 2 Sound Output Conventional Fire Alarm Control panel: * Sixteen Style B (Class B) Initiating Device Circuits (IDCs). * All zones accept two-wire smoke detectors and any nor... - Update: 2010-09-06

9V battery operated; Test button; Auto-rest after smoke dismissed; Optical sensor; SMT adopted; Anti white light interference; Dust-proof, mothproof; Alarm Output: radio output 433MHz or 315MHz; Standby current: ≤200uA Alarm C... - Update: 2010-09-06