HCHO Gas Detector, Indoor Air Quality Measuring Devices, HCHO Detector, TVOC, Office, Gym and Car

Features:
Uses an advanced chip to accurately detect and monitor the concentration of formaldehyde (HCHO) and total volatile organic compounds (TVOC).
Immediately sends an audible and visual alarm if the HCHO and TVOC concentrations exceed normal levels.
Super easy to use: simply press and hold the button to turn it on, wait for a 180-second countdown, and it will automatically monitor HCHO and TVOC levels.
Easy to read: the 3-color LED indicator shows you the TVOC level – bad, normal, good.
The precision air quality monitor features a rounded shape, a glossy surface, and is compact and lightweight, making it easy to carry. Note:
*Batteries not included.
*With a normal battery level, the device will enter standby mode after 30 minutes of inactivity.
*With a low battery level, the device will enter standby mode after 5 minutes of inactivity. Specifications:
Brand: NOYAFA
Material: ABS
Color: White
Formaldehyde Detection Range: 0.000 to 2.888 mg/m³
TVOC Detection Range: 0.000 to 9.999 mg/m³
Unit: mg/m³
Power Supply: 2 x 1.5V AA batteries (not included)
Item Size: 14 x 4.9 x 2.7 cm
Package Size: 16.5 9 x 3.2 cm
Package weight: 100 g Package contents:
1 formaldehyde detector
1 user manual (English)