Keychain Breathalyzer Portable Breath Alcohol Tester with Flashlight

Read your blood alcohol levels quickly with this battery-operated keychain breathalyzer with flashlight. The Breath Alcohol Tester is compact, convenient, and provides blood alcohol content(BAC) levels in seconds with LED readout. And it also features flashlight function for convenient use.
Features
Quick and accurate BAC levels in seconds.
Three levels: less than 0.02 BAC, 0.02-0.05 BAC, and greater than 0.05 BAC.
LED readout to let you know if you're over the legal alcohol limit.
Bulit-in flashlight.
Keyring design makes it portable, handy and convenient to carry.
Two "AAA" batteries powered(not included).
LED Readouts
Green LED light on: Safe, the alcohol concentration level is under 0.02% BAC
Yellow LED light on: Caution, the alcohol concentration level is 0.02% to 0.05%BAC
Red LED light on: Danger, the alcohol concentration level is over 0.05% BAC
Specifications
Main Color Black & White
Sensor advanced semiconductor oxide alcohol sensor
Test Range 0.0-0.50mg/l
Test accuracy 0.05mg/l
Warm up time 15-30s
Response time