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 Weight:66g Dimension:112x77x26mm Power Supply:3 x 1.5V"AAA"size alkaline batteries/ Auto power off Ambient Conditions storage: ; operate: 5 to 40 Certificate:CE,ROHS 1 x Breathalyzer 1 x User Manual Inner package: color box Meas:51x27x43.5cm Qty per carton: 60pcs G.W / N.W: 14.50kg / 13.50kg