breathalyzer keychain digital alcohol tester detector breath analyzer audible alert portable with lcd display (112mm x 68mm x 22mm) tuyou <br>specification: <br>digital alcohol tester with audible alert,a simple method to analysis blood alcohol concentration at anytime and anywhere. <br>1 sensor: semiconductor alcohol sensor <br>2 warm-up time: within 10 seconds <br>3 respond time: within 5 seconds <br>4 operating temperature range: 5 ~ 40 <br>5 detection range: 0.00 - 0.19% bac & 0.0-1.9g/l <br>6 digital display results and audible alert <br>7 quick response and resume <br>8 auto power-off <br>9 key chain & red color backlight <br>10 use mouthpiece <br>11 low voltage indicator <br>12 power: 3v (2 x aaa alkaline battery, not included) <br>13 unit size: 118 x 70 x 28 mm <br>14.material:abs <br>15.breath exhaust mouthpiece could be replaced <br>package including <br>1 instruction manual <br>1 digital breathalyzer <br>5 replaceable mouthpieces