New Professional PM2.5 Detector Formaldehyde Detector HCHO & TVOC Air Analyzers Tester

Features: - Double thousand bit detection - Thermostatic detection - Air convection detection - Dry battery protection - Intelligent memory calibration - HD LED screen - Hardware & software anti-jamming - Easy operation Specifications: - Detection principle: principle of semiconductor gas sensor - Digital display: Thousands bit display - Battery type: 3pcs AA battery (battery is not includes) Package Includes: 1x Formaldehyde detector (Without battery) Details Pictures: