Description 5-in-1 multifunction air quality monitor can detect CO2, HCHO (formaldehyde), TVOC, temperature and humidity in your living environment. Adopting sensitive sensor, it provides quick and accurate data in the LCD digital color screen. Built in with 1200mAh rechargeable battery, it can be widely in home, office, claroom, hotel, gym, greenhouse, warehouse and more Features: 5 in 1 Function: Multifunction air quality monitor cares for your health and can be widely used in home, office, claroom, hotel, gym, greenhouse, warehouse, etc. LCD Color Screen: Displays CO2, CO2 index, HCHO (formaldehyde), TVOC, temperature, humidity and battery level. LCD digital color screen for easy and clear reading even in dark environments. Carbon Dioxide Tester: Adopts semiconductor sensor, air convection detection, quickly and accurately detects CO2 concentration in the living environment. 4-color Indicator Alarm Buzzer: 0-799PPM (Green), 800-1199PPM (Yellow), 1200-1599PPM (Orange), 1600PPM and above (Red). The buzzer alarms when the CO2 concentration is above 1500PPM. Rechargeable Design: Built-in 1200mAh rechargeable lithium battery for strong endurance. With type-C USB interface for quick charging via power adapter, power bank, laptop, etc. Concise Appearance: Simple but stylish appearance, desktop or wall mounted installation, fits in well with different styles of houses. Compact and lightweight, easy to carry. Note: 1. Please read the user manual carefully before use. 2. Size and color may be slightly different due to manual measurement and different light conditions. Thanks for understanding. Specifications: Color: Black/ White (Optional) Material: ABS + Electronic Components Screen: LCD Digital Color Screen Voltage: 5V DC Detection Principle: Semiconductor Sensor/infrared sensor CO2 Detection Range: 400-5000PPM CO2 Detection Sensitivity: 1PPM HCHO Detection Range: 0-0.6mg/m3 TVOC Detection Range: 0-2.0mg/m3 Temperature Measurement Range: 0-50 Temperature Measurement Accuracy: 1 Humidity Measurement Range: 0~99% RH Humidity Measurement Accuracy: 2% RH Charging Port: Type-C, 500mA Built-in Battery: 3.7V 1200mAh Lithium Battery Item Size: 90 * 70 * 35mm / 3.54 * 2.76 * 1.38in Item Weight: 107g / 3.76oz Package Size: 14 * 9.8 * 4.8cm / 5.51 * 3.86 * 1.89in Package Weight: 168g / 5.93oz Package List: 1 * Air Quality Tester 1 * USB Cable (Type-C) 1 * User Manual (English, Japanese, Italian, German, Spanish, French) Many Questions about Dropshipping Services Are As Follows: 1.How many orders can you handle per day we are a large company in Shenzhen,China,with a large warehouse that can handle large orders everyday.We send out countle parcels everyday.We can guarantee the order you request. 2.How fast can you proce orders We will arrange shipment as soon as poible after you pay the order.Priority delivery for dropshipping order 3.Could you ship order without any receipts,invoices and promotional offer inside the package Absolutely No invoices,receipts,promotional offer if you leave notes on the order(if you want,we can provide.) 4.If you need other products We can provide most products you need as much as poible1 If you have any other questions,please feel free to contact us. We are very grateful to cooperate with you. 5.We can support CSV/Excel File Dropshipping. 6.There is no limited stock to fulfill the orders on a daily basi