Model: T05 alcohol tester. Sensor type: semiconductor sensor Display: LCD display (black and white) Test range: 0.00-0.19%BAC (0-1.9g/l) Measurement unit: mg/l (BrAC) mg/ml (BAC) Measurement mode: Quick check, automatic detection Measurement time: 20 seconds Power supply: Built-in rechargeable polymer lithium battery Battery used: 3.7V 200MAH can continuously test alcohol 150 times Power adapter requirements: DC5V 1A Working temperature: 0-45 Warm-up time: 10 seconds Blowing time: Within 10 seconds, required to be 4 seconds Reaction time: Less than 5 seconds Working current: 250MA (max) Standby current: Less than 20UA Product size: 100MMx28MMx16MM Note: The product is in Japanese version, please confirm before purchasing Colour:Black Material:plastic Package Contents: 1 x Portable alcohol tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.