Retail Price: 3900 yen ● Uses a MEMS nano-gas semiconductor sensor with high sensitivity, high precision, built-in lithium battery, long standby time, strong anti-interference, and automatic shutdown function, accurately displayed at a glance using an LCD digital display. [Product Specifications] Sensor Type: MEMS sensor Display: LCD liquid crystal display Case Material: ABS plastic Measurement Range: 0.000-0.995mg/L Measurement Error Range: ±0.030mg/L Measurement Unit: mg/l (BrAC) mg/ml (BAC) Measurement Method: Quick check, automatic detection Power Supply: 280mAh lithium-ion battery (rechargeable) Operating Temperature: 0-45℃ Preheating Time: 15 seconds Blowing Time: 3-5 seconds Response Time: Less than 5 seconds Packaging Weight: 39 g / color box (alcohol tester, charging cord, instruction manual) Packaging Contents: Alcohol checker ×1 User manual ×1 Charging cord ×1 Alcohol Checker Professional High Precision MEMS Nano-Technology Semiconductor Gas Sensor Alcohol Detector USB Rechargeable Non-Contact Small Breath Alcohol Tester Alcohol Measuring Instrument Drunk Driving Prevention Hangover Portable One-Touch Alcohol Testing Device 4-2-39, ✼••┈┈┈┈••✼••┈┈┈┈••✼••┈┈┈┈••✼ ■ Opened for photography purposes. Please check the actual photos for the product condition. ■ Immediate purchase and silent purchase are welcome! →#ToyBox's Bargain Product List ■ Follow discount and bundle discount available! (See profile for details♪) ■ Price negotiation OK ◎ Feel free to comment! ■ Please read the profile before purchasing and check for any unclear points.