ABS Air Quality Detector, TVOC CO2 Formaldehyde Monitor

【5-in-1 Detection】This air quality monitor simultaneously detects formaldehyde (HCHO), VOCs, CO2, temperature, and humidity, helping you check indoor conditions in the office, at home, in the car, in a tent, or at the workplace. 【Voice Alarm】With a built-in voice alarm, doorbell alert, and mute mode, it reacts when readings exceed the limit. The color LCD screen clearly displays the air quality level and key data at a glance. 【Portable Design】Made of ABS with a back stand and carrying cord, this compact monitor measures 84 x 55 x 19.5 mm and weighs 80 g, making it easy to place on a desk, shelf, or take anywhere. 【1000mAh Battery】Equipped with a 1000mAh battery and operating at 5V, this air quality detector supports low power consumption. The power-saving mode can operate for approximately 20 days of continuous use. 【Versatile Uses】Suitable for homes, offices, campsites, tents, fireplaces, cars, factories, and commercial premises. Supports Fahrenheit/Celsius switching for flexible daily air quality monitoring.