solvents.
3-Color LCD Display: Clear definition three-color LCD display with backlight, it can automatically matching the appropriate color backlight according to the measured concentration.
Multifunction Design: With temperature and humidity measurement function, 10 minutes no operate automatic shutdown function, and temperature units switch function.
Sound&Lights Alarm: Sound and lights dual prompts, when detecting combustible gases sink leakage, the meter beeps and the concentration simulation bar increases.
Sensitivity Adjustable: Three levels of sensitivity are switchable, you can adjust to  high/mid/low level for different scenarios.
High Safety: Push-lock battery cover design, easy to replace the battery, battery built-in and lock screws design makes the use more secure.
Wide Applications: Suitable for water heating device detection, gases pipeline detection, etc.

Specifications:
Name: Combustible Gases Detector
Material: plastics
Battery: 3 * 1.5V AAA Alkaline Battery (not included)
Display: 3-color LCD disply with concentration bar indicator
Test ranges: 50-1000ppm, ±30%
Detecting gases: combustible gases
Alarm mode: sound+lights
Auto power off: Yes
Low battery indication: Yes
Test Gases (partial list): acetone, Acetylene, alcohols, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gases, paint thinners, propane, solvents, etc..
Temperature measurement ranges: -20℃ to  60℃ / -4℉ to 140℉
Humidity measurement ranges: 0.0%-99.9%RH
Item size: 143 * 59 * 27mm / 5.63 * 2.32 * 1.06in
Item weight: 148g / 5.22ounce
Package size: 188 * 92 * 56mm / 7.40 * 3.62 * 2.20in
Package weight: 213g / 7.51ounce

Packing List:
1 * Combustible Gases Detector
1 * Cloth Bag
1 * Guideline