A built-in timer with alarm helps you keep track of your parking meter or elapsed "party time"! A built-in LED flashlight and key ring make it a convenient for daily use. 4-in-1 multifunctional unit with alcohol breath tester, count-up and countdown timer, LED flashlight and keychain Provide a simple speedy method to analysis BAC (blood alcohol concentration) at anytime and anywhere Timer function keeps the time limit for your parking, studying, test, sport, etc.
Light weight, compact and portable to carry on keychain Makes a great gift! 100% brand new, high quality Short ready time, quick response and resume 3-step alcohol test with 3 LEDs (green, yellow and red) Exhale pipe on the top Count-up and countdown timer with LCD indicator "HR", "MIN", "START/STOP" 3 buttons design to complete the count-up and countdown timer function Pre-warning signal at the last 5 and 10 minutes when setting a countdown Orange LED flashlight function ON/OFF sliding switch for LED flashlight Portable and convenient to carry on key chain