The durable Stanley rechargeable waterproof spot light provides up to 10 hour runtime, is 50 percentage smaller than typical spot lights, floats pointing up, and the constant light output (CLO) maintains brightness.
Rechargeable waterproof spotlight, Submersible up to 6 feet
Floats in the water pointing upward
Up to 10 hour runtime , Up to 520 lumens
50 percent smaller than typical spotlight.
Kindly refer the user manual given below for troubleshooting steps(pg 6).