Double screen LED alcohol tester

Double screen LED alcohol tester LCD Digital Alcohol Breath Tester Analyzer Breathalyzer temperature measuring, timing and alarm time functions.It's a practical gadget for daily life using. Features: Dual LCD screen display:Clock LCD and Alcohol tester LCD Breath alcohol concentration testing Can measure atmospheric temperature around Count-down timing for kitchen using Clock and alarm time function Quick response and resume capacity Threaded by strap in order to be more convenient carrying Auto power off for saving batery Buttons: POWER, MODE, SET, ADJ Functions: Alcohol test Press the "POWER" button once, the sceen will display 10 or 15 seconds count down indicating the tester enters into "warm up" mode.When the "blow" symbol displayed and 10 seconds count down started, indicating the tester is ready to test.Exhale pneuma into breath inhaler for 3-5 seconds, then read the result from the alcohol tester LCD. The "Caution" symbol will be displayed if the alcohol concentration is the level between 0.02%-0.05% BAC or 0.1mg/L-0.25mg/L BRAC The "Danger" symbol will be displayed if the alcohol concentration is the level over 0.05% BAC Clock real time setting In real time mode, press "ADJ" to select 12 or 24 hour format.Long press "SET" to set hour and minute, and press "ADJ" to adjust. Press "MODE" to confirm Alarm time In real time mode, press "MODE" once. Long press "SET" to set hour and minute, and press "ADJ" to adjust. Press "MODE" to confirm Temperature measuring: In real time mode, press "MODE" twice to display measuring temperature Specification: Alcohol test range:0-0.19%BAC Accuracy: 0.01%BAC Warm up time: 10-15s Response time: <5s Power supply: 2 x 1.5V AAA batteries for alcohol tester(NOT included) 1 x 1.5V AG13 button battery(Included) Color: white Dimension: 100*37*17mm Unit packing gross weight: 38g