What's in the box:

1 X Formaldehyde HCHO TVOC LED Digital Display Meters Tester Mini Carbon Dioxide Detector Gas Analyzer (Standard), Standard

Features:
Products make environmental protection materials, 3D arc surface semi transparent technology, harmless environmental protection have grade
Precision instruments, double thousand precision to 0.001, precision production, core technology, excellent R & D strength, packaging quality.
Intelligent memory with fine recording and scientific optimization function, memory effect has been greatly improved.
Multi tuyeres control airflow movement, good contact response.
Widely be used in home, office, enterprise, government, school and car, etc.

Specifications:
Detection range: 0.0002.88mg/m3(Formaldehyde )
Display mode: LED digital display
Test principle: semiconductor gas sensing principle
Test items: formaldehyde, TVOC
Detection temperature: - 10 C ~ 45C
Alarm mode: beep alarm
Measurement method: sensor induction technology "
Sampling mode: diffusion sampling monitoring mode automatic
Power supply: 5 alkaline battery (AA) x2 (not included)
Working voltage: 2.4-3.2v
Package weight: 170g/6oz
Product size: 120*55*22mm/4.72*2.17*0.87in

Packing List:
1*Tester