"Test Button; Hush button Auto reset ASIC adopted;Anti-light, mothproof;Strong adaptability for circumstance; SMT design, high stability Technical specification: Operating voltage: 9V battery Alarm output: sound and flash alarm Sound level: 85dB/3 meters Sensitivity:2.06%/ft Detecting area: 20 square meters Dimension: 128*38mm Execute criterion:EN14604,UL217"
