Smart Sensor Carbon Dioxide Detector Portable CO2 Meter Gas

Features:High precision electrochemical sensor responds quickly.Stable performance high accuracy.Sound and light dual-alarm.Smart chip low power consumption.Compact portable size easy to operate.2.7 large LCD screen displays data clearly.Push button to switch ON/OFF green backlight.Rechargeable lithium battery is included.Specifications:Material: ABSVoltage: AC100-240V 50/60HzOutput: DC5V5% 100050mAMeasuring Range: 350~9999PMResolution: 5PPMTemperature: -10~50?Resolution: 0.1?Working Humidity: 0~95%RHRespond Time: 90sRecovery Time: ?120sPower Supply: 1 * 3.7V 1000mAh rechargeable li-ion batteryScreen Size: 4.4 * 5.3cm / 1.73 * 2.08inStorage Box Size: 23 * 20.5 * 5cm / 9.06 * 8.07 * 1.97inItem Size: 17.8 * 6.3 * 3cm / 7.01 * 2.48 * 1.18inItem Weight: 245g / 8.64ozPackage Weight: 743g / 26.21ozPackage Size: 25.5 * 21 * 5.7cm / 10.04 * 8.27 * 2.24inPackage List:1 * Detector1 * Charging Plug1 * USB Cable1 * Storage Box1 * Manual (English)