CO Carbon Monoxide Poisoning Smoke Gas Sensor Warning Alarm Detector for Kitchen

Name: Carbon Monoxide AlarmDetect carbon monoxide, the sound is superb, precise induction, no wiring, ready to useRange of use: household and industrial use.Working range: 4-38Relative humidity: 25%-85%Sound volume: 85db alarm soundWorking current: less than 20mAProduct size: 115x37mmcolour: whiteMaterial: ABSPackage Contents:1 x Gas detectorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.