Description Professional Accuracy: Ensuring your safe driving, the Digital Breathalyzer is designed with an ultra-sensitive semiconductor sensor system, which can detect your accurate level within seconds. USB Rechargeable: With a USB rechargeable design and come with a charging cable, the Portable Breathalyzer can be and conveniently, to be used 300 times under full charging. No Contact to Use: Adopting a non-contact design for easy detecting, the Professional Breathalyzer is and more convenient to use, providing high- results in a few seconds. Clear Result Display: Display the measured value on the LCD screen, the Breathalyzer Tester is equipped with a LED indicator to inform of the level, green for ''not drink'', yellow for ''drinking'', and red for ''drunk''. Easy to Carry: Designed compact in size and convenient to carry, the Digital Breath Tester is space-saving and suitable for your pockets, perfect for everywhere use. Welcome to consult Colour:BLACK Material:ABS Package Contents: 1pcs 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.