Carbon Monoxide Detector Type:Carbon Monoxide DetectorsSensor Type:ectrochemical CO sensorSensitive Lev:5 PPMOverview:The product is carbon monoxide gas detector with human voice prompt and microprocessor control, supporting display of the gas concentration.This detector adopt ectrochemical sensor which is stable and riable. It keeps the place safe from the threats of carbon monoxide gas.This product can be wl used in kitchen,bathroom, ect.Features:LCD display the carbon monoxide gas concentration from 000-999PPM.Human voice prompt, when reach the given alarm lev, the detector will alarm and voice prompt.Adopting high riable and stable ectrochemical sensor,effectivy detect the real-time CO gas and remind people.Low current consumption, ultra-long standby time.Silence your gas detector by immediaty pressing the test button when non-emergency gas.Low battery warning. The LCD screen show LB and voice prompt attention please,low battery warning.Press the TEST/RESET button, can view the alarm levs.When the detector is in fault,it will displaying ERR.Specifications:Power Supply: 3 x 1.5V AAA batteries(not included)Sensor Type: ectrochemical CO sensorSensitivity/Alarm Time:50 ppm,within 60~90 minutes;100 ppm,within 10~40 minutes;300 ppm,within 3 minutes;400ppm,immediatyTemperature: 0-50 Csius DegreesRative Humidity:10%~95%Detecting Lev Range:000~999PPMError:+/-10%Normal Working Status:000PPMAlarm Concentration:030~999PPMBattery Status:Low battery warningColor: Black, WhiteItem Size: Approx. 9.9 x 9.9 x 3.5cm(L*W*H)Item Weight: Approx.120g/4.21oz