Features: brand new and high quality Advanced semi-conductor sensor ensures accurate reading in a short for time. Automatically turn off the alcohol testers to save power when you complete the test for 5 seconds. Makes it easy to see at night and provides professional precision for safe driving. One button breathalyzer, it is easy to turn on the device and test it in 10 seconds. Space saving, lightweight, completely easy to hold and carry everywhere. Specifications: Material: ABS+Alloy Battery life: 300 times Color: Space Gray, Ivory white (optional) Size: approx. 10.2x2.8x2cm/4.02x1.1x0.79in Package Includes: 1PC x Alcohol Tester note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!