Function: 1. Digital alcohol tester with 0.01 % BAC (0.1 g/l) increment for reading 2. Detect range: 0.00~0.19 % BAC & 0.0~1.9 g/l 3. Alert level calibrated 4. Quick response and resume 5. Auto power off 6. Lanyard 7. Use 2?AAA" alkaline batteries (not included) 8. Unit dimensions: 95?6?8 mm Packing: QTY: 100 PCS G.W.: 5.4 KGS MEAS: 41?1?7 CM