•Based on high-precision chips, the intelligent sensor filters out other impurities for lossless alcohol reception, ensuring more accurate measurements •No need for blowing hose, avoiding bacteria breeding, and promoting hygienic measurement •Built-in purification chamber scientifically filters the air, eliminating impurities and retaining only alcohol for precise measurements •High-definition digital display shows whether drunk driving is clear at a glance •Portable lanyard design for convenient carrying Specifications: •Detection Method: Semiconductor gas sensor •Measurement Range of Alcohol Concentration in Exhaled Air: 0-200mg/100mL •Battery: 200mAh lithium battery •Measurement Object: Alcohol concentration in exhaled air •Charging Method: Type-C interface •Sensor Replacement: No •Material: Aluminum alloy + PC + TPE lanyard •Product Size: 140mm x 26mm x 26mm Package included: •1 x Alcohol Tester •1 x Charging Cable •1 x English and Chinese User Manual