Nitecore EMR10 Portable Electronic Multipurpose RepellerDUAL MOSQUITO PROTECTION Uses a heated repellent mat and ultrasonic waves to create a 16 feet protection zone. 10 refill Mats included 12 HOURS PROECTION USB C rechargeable, fast charging under two and a half hours BI DIRECTIONAL CHARGE Can also charge other electronic devices via the USB C port DIGITAL DISPLAY for fast readouts of real time battery level status, remaining runtimes, mode selections, brightness levels, and more. CONTENT Nitecore ERM10,