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Product Name: J1 Rechargeable Alcohol Tester Product material: Aluminum alloy + PS Product function: Measures alcohol concentration Detection method: Semiconductor gas sensor Exhaled breath alcohol concentration measurement range: 0-200mg/100ml Warm-up time: 15 seconds Inflation time: 10 seconds, generally 3~5 seconds is sufficient Packing quantity: 126PCS Outer box dimensions: 42*39*27CM Whole box weight: 9.3kg Packaging dimensions: 12.5*8.3*2.2cm Individual weight: 70G Product dimensions: 103*26*18mm Product input: 5V/1A Product current: 150mA Battery capacity: 140mAh Battery life: Approximately 100 uses when fully charged Charging time: Charging method: Type-C charging Operating temperature range: -5°C~45°C Storage temperature range: -20°C~50°C Product Name: J2 Smart Alcohol Tester Product weight: Gross weight 150g Net weight: 76g Product dimensions: 107*29*16mm Packaging dimensions: 9*2.8*13.5cm Charging method: TYPE-C charging Product material: Aluminum alloy + PC Outer box quantity: 108PCS Outer box dimensions: 37*29.3*36CM Outer box weight: 16.6KG