Sensor Type Infrared & Heated Diode Infrared Infrared. Alarm Mode Audible and visual alarm; TFT indication. Battery 2 x 18650 lithium battery. Sensor Life ≥10 years/2 years ≥ 40000 hours ≥10 years. Detection Gases HFCs, HCFCs, CFCs, PFCs, HFOs, HCs.
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