The Tough Tested Waterproof 20000MAH Power Pack is a versatile, high-quality device that is perfect for outdoor and emergency situations. With its multiple functions as a power bank, wireless charging pad, flashlight, and signal light, it provides optimal charging capacity with 20000mAh of solar battery capacity. Featuring built-in safety mechanisms, this power pack ensures safe and efficient charging for up to 4 devices simultaneously. Made with dust, water, and shock resistant materials, and with an IP54 rating, this power pack is a reliable and durable choice for all your charging needs.