Promptly and conveniently design for measuring BAC. A simple method to analysis bloodalcohol content at anytime and anywhere. Alcohol test with short ready time/quick response & resume:A Type for Europe or Japan Market - 3-step with colored LED indication:Under 0.02% BAC (0.10mg / L BRAC) - GreenOver 0.02% BAC (0.10mg / L BRAC) - YellowOver 0.05% BAC (0.25mg / L BRAC) - Yellow & RedB Type for USA Market--3-step with LED colored indication: Under 0.05% BAC (0.10mg /L BRAC) - GreenOver 0.05% BAC (0.25 mg/L BRAC) - YellowOver 0.08% BAC (0.40mg/L BRAC) - Yellow & Red Countdown & count-up timer keep the deadline of your parking.Super-bright white LED flashlight with keychain.Power Sources: 2 x AAA batteries (Excluded). Inner Packing:Unit size: 105*38*18.5mm/107*37*20mmGift box, plastic boxOuter packing: 100pcs/ctn producing area:China payment:T/T or 30% deposit and 70% T/T supplying capacity:3000pcs/day