PROMATE offers a 2-year manufacturer's warranty on this product, so you can buy with confidence. Reliable Car Jump Starter: Promate Car Jump Starter Power Bank is designed to provide a reliable way to jump-start your car battery in seconds, even in extreme weather conditions. 16000mAh Power Bank: This device also doubles as a portable power bank with 16000mAh capacity to charge your smartphones, tablets, and other USB-powered devices. Dual USB Port: The Promate Car Jump Starter Power Bank features dual USB ports that allow you to charge two devices simultaneously. IP67 Water Resistant: This car jump starter power bank is IP67 water-resistant, making it suitable for use in wet or rainy conditions. LED Light: The built-in LED light can be used as a flashlight, strobe, and SOS signal in case of emergency. Smart Clamp: The smart clamp provides safety protection against short-circuit, over-temperature, and reverse polarity. Micro USB/USB-C Input: The device can be charged with either Micro USB or USB-C input, making it convenient to recharge the device.