Professional Digital Breath Tester USB Rechargeable Non-contact High Accuracy Breathalyzer Car Portable Alcohol Detector Alcometer Alcotest Diagnostic Tool Specification: Product Name: Alcohol Tester Material: PC Colour: Black Accuracy: 0.005%BAC Response time: <5 seconds Warm-up time: 10 seconds Power supply: USB charging interface Charging input: 5V1A Battery capacity: built-in battery 130mAh Test range: 0.00~0.19%BAC Blowing time: 10 seconds Product size: about 82.4*24*17.6mm/3.24*0.94*0.69 inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Packages: 1*Alcohol Tester 1*Charging Cable 1*Instruction