Quick response and resume
A simple and quick method to analysis blood alcohol concentration at anytime, anywhere.
Count-down or count-up timer keep you alert the deadline of your parking and so on.
Super bright orange LED flashlight, help you to find the key hole of your car in dark etc..
Portable and convenient to carry aroud with keychain.
Use two AAA batteries(1.5 V, NOT included)
Quantity: 1 (with one manual)