• Measurement units: % BAC
• Built-in LCD screen with blue backlight.
• Preparation time: up to 20 seconds
• Measurement time: up to 8 seconds
• Accuracy: +/- 10 ‰ parts per mil
• Power supply: 3x AAA 1.5V battery or 12V DC power supply
• Low battery indicator
• Automatic shutdown function to save battery
• Alarm function when the measurement result exceeds 0.5 per mil.
• Backlight: yes (blue)
• Sound signaling the start and end of the measurement
• Device dimensions (LxWxH): 11x7x3 cm
• Weight: 64 g

To start it, hold down the front button and follow the instructions on an easy-to-read LCD screen.