IP54 Rated: Water and Dust Resistant;3 Brightness Modes for Optimal Run-Time and Output;AC in and out: string up to 10 together;Self-centering hang hook;High Impact Polycarbonate Lens;Low Battery Indicator;Powered by M18 REDLITHIUM Battery or Extension Cord;Self-Centering Metal Hook for Easy Overhead Hanging;180 Degree and 360 Degree Electronic Light Control;LED Limited Lifetime Warranty: LEDs never need to be replaced;Part of the M18 System, featuring 200+ solutions