Features • A simple method to analysis blood alcohol content (BAC). • Advanced ethanol semiconductor sensor is reliable and stable with short ready time, quick response & resuming. • Test step control is simply accomplished by one press and hold. • BAC results are illustrated on colored LEDs: -“<0.02%” (Green) → “0.02%- 0.05%” (Yellow) → “>0.05%” (Red) or -“<0.05%” (Green) → “0.05%- 0.08%” (Yellow) → “>0.08%” (Red) • Different safe driving limits in different countries. • Countdown & count-up timer keep the deadline of your parking. • Super-bright white LED flashlight with key chain. • Product Size: 7 x 3.5 x 2.1 cm • Weight: 7 kg