Features 1、MULTIFUNCTIONAL: The gas detector can not only monitor carbon dioxide levels, but also test temperature and humidity. 2、LARGE SCREEN: The gas detector is equipped with a large color LCD digital screen for easy identification and reading. 3、CO2 DETECTOR: The level of CO2 in the air clock is harmless when it is low, but when it exceeds a certain amount, it can affect breathing and even life, so we must monitor the level of CO2 in the air to stay healthy. 4、COMPACT AND PORTABLE: The detector has a compact body with a hollow back design, making it easy to carry and use. 5、APPLICABLE SCENARIO: The gas detector is ideal for home interior, such as living room, nursery, classroom, office and enclosed places, etc. Specification Item Type: Air Quality Monitor Material: Flame retardant ABS Color: Dark green Detection Function: CO2,air pressure, humidity and temperature Carbon Dioxide Range: 400-5000PPM CO Range: 0-1000PPM Atmospheric Pressure Range: 300-1100hPa Measurement Range: Relative Accuracy (950-1050hPa at 25℃): ±0.12hPa Accuracy: Absolute accuracy (950-1050hPa at 40℃): ±1hPa Temperature Measurement Range: -100-60℃ Accuracy: ±2℃ Humidity Measurement Range: 5%-95% RH Accuracy: ±5%RH CO2 Sensor: NDIR CO2 sensor CO2 Sensor Resolution: 1PPM CO Sensor Resolution: 0.5 PPM Operating Temperature: 0℃ - 50℃ Operating Humidity: 0-95% (non condensing) Response Time: <60S Power Supply: Built in lithium ion battery 5V Battery Capacity: 3200 mA (shipped with internal battery) Input Voltage: DC 5V, 2A Applicable App: For Tuya Smart Package List 1 x Air Quality Monitor 1 x Charging Cable 2 x Holder 1 x Instruction 1 x Storage Bag