This is a portable 3 in1 alcohol tester.Inspecting alcoholic thickness by testing user' s exhalation.It has three key functions: alcohol test, torch function and timer function. Features:Threaded by keychain in order to be more convenient carryingQuick response and resume capacityFlashlight torch function(Orange light)Colored LED display alcohol levelFunctions:Alcohol testPress and keep holding the "POWER" button about 10 seconds, the green LED will be lighted on.Indicating the tester has entered into testing status.After 10 seconds later, exhale pneuma intoexhale pipe and look into the result as follows:IF Green LED keeps lighting: Safety-under 0.02% BAC(Blood Alcohol Concentration) or 0.1mg/L BRACIF Yellow LED keeps lighting: Caution-under 0.02%-0.05% BAC(Blood Alcohol Concentration) or 0.1mg/L-0.25mg/L BRACIF Red LED keeps lighting: Danger-over 0.05% BAC(Blood Alcohol Concentration) or 0.25mg/L BRACNotice: Please make sure to keep holding the "POWER" button during test Timer function:Two timing modes: Count-up, Count-downTo count-up timing: press the "START/STOP" button to start, repress the button to stop.To count-down timing: press the HR and MIN to set limiting hours and minutes in advance. Press the "START/STOP" button tostart, repress the button to stop. It can preset time between 1min to 19hrs 59mins.To reset timing: press the HR and MIN simultaneously.Torch function:Slide the "ON/OFF" foward, then the LED lighting up with orange lightPower supply: 2pcs 1.5V AAA battery(NOT included)Dimension: 74*36*22mmColor: blackUnit packing gross weight: 24g Package included:1 x Alcohol tester1 x User manual (ราคานี้ไม่ได้รวมแบตเตอรี่) สนใจสินค้าสอบถามได้ครับ มือถือ : กดเพื่อดูเบอร์โทร xxxxxx777กดเพื่อดู Line: xxxxxwww.iT2Like.comwww.facebook.com/it2likeshop มารับสินค้าได้เองที่ร้าน หรือ จัดส่งไปรษณีย์ ได้รับของแน่นอน 100% ต้องการซื้อจำนวนมากหรือสนใจเป็นตัวแทนจำหน่ายติดต่อได้ครับอ่านเพิ่มเติม