Breath Alcohol Tester

Features:
1) 3 results with the blood alcohol concentration:
a) The green LED light-safe: the blood alcohol concentration is below
0.05%BAC (or 0.25mg/L BRAC)
b) The yellow LED light-warning: the blood alcohol concentration is between
0.05%BAC (or 0.25mg/L BRAC) and 0.08%BAC (0.4.mg/L BRAC)
c) The yellow and red LED lights-danger: the blood alcohol concentration is
over 0.08%BAC (or 0.40mg/L BRAC)
2) Response and resume quickly
3) Illume function
4) Key chain
5) Countdown and sequence count
6) Two "AAA" batteries
7) Size: 70H x 35W x 21Tmm