High-precision Breath Alcohol Tester(English Version) Filter-Car washing supplies Works with all smartphones and

Works with all smartphones and GPS devices

and the contact area is larger

Up to 100m Wireless working distance in open area

surface chrome plating

High-precision Breath Alcohol Tester(English Version) Filter-Car washing supplies Works with all smartphones and1. Voltage: 5V 2. Using semiconductor sensors 3. Measuring range: 0. 0~0. 19BAC 4. Measurement accuracy: + 0. 01% BAC 5. Display two lights, one red and one green 6. Turn on the machine to warm up for 10 seconds, and there will be test results after blowing. 7. Service life: 3 5 years, times of use: 5000 times 8. There are several measurement units: 3 types, Mg L, g L, BAC 9. Power supply mode: built in lithium battery 500 mAh, including USB charging