1) Design patent

2) semiconductor sensor inside

3) warm-up time: within 10 seconds

4) response time : within 5 seconds

5) Operation temperature: 5-40 degree

6) 3 test steps with LED indication

7) test result:

Green light: < 0. 02% BAC

Yellow light: 0. 02% ~ 0. 05% BAC

Red light: > = 0. 05% BAC

8) Battery: 2 x AAA alkaline batteries (not included)

9) Size: 85. 2 x 39. 2 x 20mm

10) Print size: 18 x 25mm