Breathalyzer EA791AA-3 1 unit

Anyone can easily measure the alcohol concentration in their breath by simply blowing into the device. The concentration is displayed digitally. Power supply: 2 AAA batteries (sold separately) Measurement range: 0.00 to 1.00 mg/L Size: 37(W) x 20(D) x 102(H) mm Weight: 50g (including batteries) Battery replacement indicator For daily health management When the alcohol remains until the morning