Digital alcohol tester with key chain 1.with torch and real time function 2.semiconductor alcohol tester Digital alcohol tester key chain Fuctions:1. 3 test step with LED indication-- Safety: under 0.02% BAC (0.1 mg/l BRAC)-- Caution: 0.02%~0.05% BAC (0.10~0.25 mg/l BRAC)-- Danger: over 0.05% BAC (0.25 mg/l BRAC)2. Quick response and resume3. Torch (Orange LED)4. Real time (12hour format)5. Countdown & count-up timer keep the deadline of your parking6. Use 2pcs "AAA" alkaline batteries7. Unit dimensions: 102*34*18mm  Packing:Inner Packing: Gift Box QTY: 100PCSG.W.: 4.6 KGSN.W.: 4.0 KGSMEAS: 41* 26 * 27 CM Many different models            

keychain alcohol tester