Rechargeable Waterproof LED Light Q7S IP68 waterproof, work within 2M deep of water. termination 2nd end. IK10 Polycarbonate dome. Three levels of brightness and flashing light. Power bank function 10400mAh. Rechargeable via USB-C charging port Flash during charging and glow steady when full charged. Built-in lithium battery, up to 77 hours run time with 8% brightness.