1. This portable breath tester can accompany you anytime, anywhere.
2. Place it on a key ring, handbag, bag or belt hook.
3. Durable and compact format. It is designed for you.
4. With accurate reading digital display, it has been widely used in many fields.
5.Backlight of large LCD screen can help you see the reading clearly
6. Material: Plastic
7. Weight: 26 grams
8. Size: about 6.2cmx3.8cmx1.5cm
9. Power supply: 1 AAA battery(not included)