Features: Advanced sensors technology ensures accurate readings, making this portable alcohols tester a must have for driver seeking precisions without built in batteries. Crafted with ABS, the breathalyzer features intuitive button layout and instantly results, prioritizing user friendly operations and energy efficiency. for frequent driver, users, and professional requiring quick alcohols detection during travel or emergenciesy scenarios. Perfect for roadside checks, post meal verification, or workplace safety protocols, delivering rapid feedbacks in under 3 seconds with replaceable battery compatibility. guesswork with its lab grade calibration-compact enough for glove compartments yet robust enough for daily use by all age groups. Specifications: Size:.121.5mm/4.78 inchx60mm/2.36 inchx24mm/0.94 inch Color: As Shown Material: ABS Batteries are not included in the shipment; you need to provide your own batteries (AAA x 3). Package Contents: 1 x Breathalyzer 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.