Car use digital breath alcohol tester drunk breathalyser analyzer detector

* Package Contents: 1*Alcohol tester,  1*Instruction 
* Measuring range: 0.00-0.95mg/L
* Power: 2*AAA batteries(not including)
* Battery full time can use 1000 times
* Warm up: 10s, response:＜5s
* Auto power off 
* Operating temperature: 5-35℃