HT-611 Digital Blow Respiratory yzer Portable fast response breath with LCD for many scenario

This is designed for accurately measuring the body content. It is easy to use, it measures the content just by blowing to the instrument. Compact design and portable size, convenient to carry. Features: It is useful that it can accurately measure the body content just by blowing to the instrument. Without contact, it can avoid bacteria from entering your mouth, safe to use. Advanced r with high sensitivity and qui response. It can give a warning when the value exceed your preset value. LCD screen with balight, convenient for night use. Compact design and portable size, convenient to carry. Specifications: Testing Range: 0.00~0.20%BAC / 0.0~1.9g/l Accuracy: 0.05%bac Warm Up: 10s Response: