Features:
Large Digital Dual LCD Display: With backlit LCD display, it will be much easier for night viewing. One is red backlit.
Accurate Result: With advanced semi-conductor sensor technology, it gives you accurate and reliable result that you can trust in seconds.
Compact Design: Comes in a space-saving, lightweight, portable design, ONLY Pocket-size, completely easy to hold and carry everywhere. 
Energy-saving Mode: It will automatically shut off to save power after finishing the test for several seconds and powered by 2* AAA batteries (not included) Moreover, it is designed with low power indication.
Multifunction: Real-time(12/24 format), alarm timer, temperature (℃/F), Count down timer.

Specifications:
Material: ABS
Measuring range: 0.00-0.19% BAC
Voltage: 3 (v)
Power supply: 2 AAA alkaline batteries (NOT included)
Warm-up time: 10 (s)
Reaction time: 5 (s)
Size: 119 x 31 x 22mm / 4.7 * 1.2 * 0.9in
Color: White back, Black front
Package weight: 36g

Package List:
1 x Alcohol Breathalyzer