The Wolf Mozzi zappa is an electric mosquito repellent that is equipped with a rechargeable battery. The Mozzi Zappa comes with a USB charging cable and a handy brush to clean the grid. The device is also equipped with a built-in flashlight. When you turn on the mosquito repellent, it can function for 14 hours on the battery. When you recharge it again, it takes up to 3.5 hours and it is ready for use again. The Mozzi Zappa is equipped with a handy folding hook for easy hanging in your tent or bivy.