Air Quality Monitor CO2 Alarm Detector with LCD Screen Indoor Temperature Humidity Display Carbon Dioxide Tester 1000mAh Rechargeable CO2 Meter for Home Classroom Office Hotel

Carbon dioxide detector effectively detects CO2 concentration in the environment you are living. With LCD screen, it displays carbon dioxide, battery level, temperature and humidity. With accurate sensor and alarm function, it can be widely in home, classroom, hotel room, apartment, office, gym and more!Note:1. Please read the user manual carefully before use.2. Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.Specifications:Type: Type 1/ Type 2 (Optional)Color: WhiteMaterial: PlasticScreen: LCD DisplayInput: 5V 1ATemperature Measurement: Range 0~60℃, Resolution 1℃Humidity Measurement: Range 10%~99%, Resolution 1%Detection Principle: NDIR/ SemiconductorCarbon Dioxide Testing: Range 400-5000PPM, Resolution 3PPMAlarm Buzzer: SupportScreen Display of Type 1: Green (400-1000PPM), Yellow (1000-3000PPM), Red (3000-5000PPM)Working Environment: Temperature 0℃~60℃, Humidity ＜98%Built-in Battery: 1000mAh Lithium BatteryItem Size: 82 * 82 * 52mm / 3.23 * 3.23 * 2.05inItem Weight: 104g / 3.66oz (Type 1); 107g / 3.78oz (Type 2)Package Size: 11 * 11 * 6cm / 4.33 * 4.33 * 2.36inPackage Weight: 148g / 5.21oz (Type 1); 161g / 5.68oz (Type 2)Package List:1 * Carbon Dioxide Tester1 * USB Cable1 * User Manual (English)