Portable Breathalyzer with Display Rechargeable Digital Electronic Breathalyser Laundry & Cleaning just like a grid-shaped wallet

just like a grid-shaped wallet

The combined use of multiple groups of planetary wheel systems can achieve a very large speed ratio

carbon and ceramic noodles filters

Are you tired of big

Backboard material: PET

Portable Breathalyzer with Display Rechargeable Digital Electronic Breathalyser Laundry & Cleaning just like a grid-shaped walletAbout this item: Portable Breathalyzer with Display Rechargeable Digital Breathalyzer for Driving Prevention LCD screen display, Easy to read Breath alcohol concentration testing Quick response and resume capacity Auto power off for saving battery Advanced semiconductor(flat surfaced) alcohol sensor Product description Power adapter requirements: DC5V 1A Test range: 0. 00 0. 19%BAC(0 1. 9g l) Warm up time: 10 seconds Blowing time: within 10 seconds,