BENETECH GM8800A 1.5V Combustible Gas Detector - Beige + Dark Grey + Silver (3 x LR14)
Response time:instantaneous; Warm-up time: 60seconds approx(25℃60%RH environment); Continous operating time: 8hours(varying with operating status)l Low battery indication: 3±0.2V; Operating environment temperature:0~52℃; Detectable control Sensor reset Power & Alarm LED indication.