This alcohol tester has three different colours back lights to display.
The green light represents the value <0.02% BAC, which means safety.
The orange light represents the value 0.02%BAC, which means warning.
The red light represents the value 0.05% BAC, which means danger.
It is rechargeable and includes a lithium battery, It also includes five mouthpieces for replacement. Please check the features of alcohol tester kc-18 as below:
Price: Â