Material ：ABS 

Display:  LCD Display,

Accuracy:  0.05% BAC,

Mouthpiece:   use(including 5pcs),Sensor type:Advanced NM hot-wire alcohol sensor，

Test Range: 0.00-0.19%  or 0.00-1.99‰ BAC / 0.00-0.95 mg/L /

0.00-199 mg/100mL  ，Accuracy:-0.01 to +0.02% ，

Mouthpieces:：6 mouthpieces included，Backlight:Blue，

Power Supply:3 x 1.5V"AAA"size alkaline batteries/ Auto power off ，

Ambient Conditions:storage:  0℃ to 50 ℃;

operate: 5 to 40 ℃，Certificate:CE,ROHS

 size：6.1*38*1.4mm