1.The warranty is 365 days. We have CE FCC RHOS KC 3C MSDS EPA certifications! 2.Essential mosquito repellent bracelet for summer camp:USB fast charging, 30 minutes of charging, 30 days of standby time, 130 hours of use, effectively avoiding more than 90 percent of mosquitoes,Convenient to know the time in the wild 3.Three Mosquito repellent modes:Press once to turn on the switch to start the indoor mode press again to switch the outdoor sports mode press again to turn on the silent sleep mode press the fourth time to turn off the device 4.This anti-mosquito bracelet is stylish, lightweight, high-end technology, suitable for birthday gifts, mother's day and father's day gifts, whether you are indoors or camping, fishing, hiking, sports, barbecue are very suitable, can protect you and your loved ones Protect yourself from mosquitoes and enjoy the perfect summer Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.