professional digital breath alcohol tester breathalyzer with lcd dispaly with 5 mouthpieces police alcohol parking breathalyser yuanbogg specifications<br/>detection range: 0.00 - 0.20bac% ; 0.00 - 2.00 g/l; 0.00 - 2.00bac‰ ; 0.00 - 1.00 mg/l; 0.00 - 200 mg/100ml<br/>alarming threshold: 0.05% bac; 0.50 g/l; 0.50‰ bac; 50 mg/100ml<br/>test accuracy: ±10% f.s<br/>working voltage: dc 5v 3xaaa batteries(not included)<br/>working current: ≤120ma<br/>environmental temperature:-10° to 50°<br/>relative humidity ≤95%<br/>display: 3 digits lcd display with blue backlight<br/>battery expectancy time: ≥2000 times<br/>size:103 x 65 x 27mm(lxwxh)<br/>weight: 76.5g