Removable air intake nozzle.Safe, hygienic and easy to carry,Made of PP food grade material<br> Adopt precise gas flow design,Instrument level circuit design,Results in 3 seconds<br> Operation steps and test results,Beep prompts, simple and clear<br> Emergency LED lighting,Find in darkness<br> <br> Specifications:<br> Name: Digital Display Alcohol Breath Tester<br> Voltage:4.5V (v)<br> power supply:3*AAA batteries (1.5V)(Not included)<br> time:10 (s)<br> reaction time:10 (s)<br> Measuring range:0-200mg/100mL<br> Colour:As Shown<br> Material:ABS<br> <br> Package Contents:<br> 1 * Tester<br> 1 * English instruction manual<br> <br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.