Model: AL-T05 Material: ABS Sensor: Semiconductor Battery: 200 mAh Rechargeable Lithium Battery Blowing Time: 5 seconds (breath flow: >20L/min) Working temperature: -5 °C ~ 45 C (27 F~113 F) Measurement Range: 0.000%BAC~0.1900 %BAC Working Time: About 200 Times Test Display: Regular screen Size: 60 x 38 × 19 mm Weight: About 22g