Battery Powered 20Mg/H Mini Ozone Purifier For, Hunting Bag Ultra-compact and portable design saves space, perfect for tight spots like wardrobes, shoe cabinets, fridges, hunting bags, and cars, etc. Portable design: convenient ultra-small design, space saving, compact and portable; Its small size makes it ideal for use in any air-flow limited space such as wardrobes, shoe cabinets, refrigerators, hunting bag and automobiles; Cycle mode: long press the power button to start working, the indicator blue light is flashing, it will sleep for 8 hours after working for 3 minutes, so that the machine will automatically shut down when it runs out of power; General mode: the green light indicates that the breath is flashing, and it will be shut down automatically after working for 30 minutes; Strong mode: the indicator purple light breath flashing, after working for 90 minutes, it will automatically shut down; USB charging: built in lithium-ion rechargeable battery, 1800mAh, USB interface can be used with computer or mobile power supply, ultra-low power consumption;