Features:
* Adopt high quality semiconductor heating sensor, featuring good stability performance. 
* Design with MCU intelligent supervise control and SMT chip technology, providing intelligent conservation of family safety. 
* Can give visual and audible alarm in time when leakage concentration reaches the set value. 
* LED-numeric display technology, shows clearly instant gas leakage concentration.
* Feature three indicators: POWER, STATE, ALARM.
* Plug and play, simple to use. Portable body design, easy to carry and store.
* Can be used to detect artificial coal gas, natural gas, liquefied petroleum gas and other combustible gases.
Note:  There may be 1-3mm errors due to manual measurement. 

Specifications:
Model: BRJ-502D
Material: ABS+Electronic Components
Color: White 
Plug Type: EU Plug / US Plug (Optional)
Power Voltage: AC 220V supply
Power Frequency: 50 / 60Hz
Rated Power: 3W
Alarm Concentration: 3%LEL~20%LEL
Alarm Loudness: ≥85dB
Working Temperature:  -10℃~50℃
Working Humidity: <97％RH
Item Size: 12 * 6.9 * 2.8cm / 4.72 * 2.72 * 1.1in
Item Weight: 93g / 3.28oz
Package Size: 13.5 * 7.5 * 5.5cm / 5.31 * 2.95 * 2.17in
Package Weight: 148g / 5.22oz

Package List:
1 * Gases Detector