Features:
1. Detection range:0.000% - 0.199% BAC / 0.000-0.995 mg/l
2. Digital display results (% BAC / mg /l)
3. Quick response and recovery.
4. Automatic power outage.
5. Orange back-light.
6. Low voltage indicator.

Specifications:
1. Resolution ratio: 0.1
2. Reaction time: 1 (s)
3. Power supply: 2 x AAA battery(Not Included)
4. Weight: 70g

Instructions:
1. Press the switch once the LCD screen of the tester will turn on the lights and it will send out a noise".
2. The state of warm up number will jump from 10 to 0 and after the state blow 10 jumps to 0 the preheating program will be completed.
3. When the countdown is 6 seconds the mouth is close to the breath test sensor and exhaled for 3-5 seconds to the sensor.
4. The screen can read the test results.