Feature: 1. Function: 5 in 1 Air quality monitor not only can accurately detect the temperature and humidity in the air, provide wide measurement range. 2. Healthy Environment: Indoor air quality detector with smoke detection and app connection control, which can keep you and your family in healthy air conditions at all times. 3. LCD Screen: Air quality monitor with large color LCD digital screen to display data, easy for people to identify and read, which is convenient for you to use. 4. Widely Use: Air quality monitor is great for family health, ideal for indoor homes such as living rooms, baby rooms, classrooms, offices and enclosed spaces 5. Portable Size: Air pollution detector made of fireproof ABS, firm and sturdy, small in size and light in weight, which can be used for a long time without broken. Specification: Item Type: Air Quality MonitorMaterial: Fireproof ABS Model: PT03 Color: Black Carbon Oxide Range: 0-1000PPM Temperature Measurement Range: -20-60℃ Accuracy: ±2℃ Humidity Measurement Range: 5%-95% RH Accuracy: ±5%RH Operating Temperature: 0°C-50°C/32°F-122°F Operating Humidity: 5-95% (non-condensing) Response Time: Less than 60S Power Supply: Lithium Battery 5V (Included) Battery Capacity: 1400MA Input Voltage: DC 5V/2A Application: Doodle Smart App. Package List: 1 x Air Quality Monitor1 x Manual1 x Charging Cord