Specification:Model: JLP-01Monitoring Project: Formaldehyde/TVOCMeasuring Range: 0~2.888mg/mAccuracy: 0.001mg/m Temperature Range: 0~40 Atmospheric Pressure: 86kPa~106kPaDisplay: LCDPower Supply: Built-in 2200mAh LiPo batteryUsing Time: 8-10HSize: 163*57*32mm / 6.4*2.2*1.2inPackage Weight: Approx. 231g/8.1oz Features: This is an air quality tester that could detects the concentration of formaldehyde(HCHO) and total volatile organic compound(TVOC) in the air. With this instrument, you could measure indoor air quality after house decoration and keep you away from those harmful gas. Adopt high precision electronic sensing technology for accurate measurement. With clear LCD screen to read the testing results, more convenient to use for indoor air detection. It can be widely used in household, office, car and many other environments.