GREENWON Keychain Breathalyzer Portable Keyring Breath Alcohol Tester, Black

Description

Do not drive after drinking (1)LCD (2)Power button (3)Battery compartment (4)Breath inhaler Features 1.LCD display 2.Breath alcohol tester with audible alert 3.Measure unit conversion:%BAC,‰BAC and mg/L BRAC 4.Quick response and resume 5.Auto Power off 6.Low battery indicate 7.Use 2*"AAA" alkaline batteries 8.LED backlight (optional) How to use the alcohol tester Warm up 1.Press switch firmly for about 2 second,the unit will sound a "BEE" and enter to alcohol tester mode,all characters will light up for about 2 seconds（per diagram） 2.Then the word "Wait "appears on the Top part of the LCD Display .The three digits "0" are rolling by turn from left to right repeatedly until the warm up process is finished. Courtesy Reminder If the units is a new and has not been used before, or not been used for a long time,the warm-up process will take longer time.Normally,it should be finished within 30-40 seconds. Exhale Tester 1.when the warm-up process is finished , the unit will sound a "BEE"and the word "Blow"appears simultaneously on the LCD display. 2.The count down time "10-0" appears.It indicates the tester is ready for the Exhale Test. 3.To perform the test,the person should take a deep inhale,then ,exhale with some strength by mouth into the breath inhaler for about 4-5seconds without interruption. 4.When the Tester sounds a long "BEE" it indicates the sampling inside is good enough.The person can stop to exhale into the unit. 5.After the exhale stopped ,the Tester will sound a short "BEE" again .The tester result will display on the LCD. 6.Please exhale into the Tester before the timer finishes the "10-0" countdown.