3-in-1 gas meter / carbon monoxide, carbon dioxide, sulfur dioxide detector

Features? Compact, lightweight, sturdy? Sound, light, vibration alarm? Large screen digital, character display, instantaneous value, peak value, average value display? Self-test for display, battery, sensor, sound and light alarm function when booting or when needed? Tip: Regular flashing lights, audible prompts? Superior audio audible alarms? Low maintenance costs? Supports 3 types of gas detection

Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent