The Kryptonite Avenue F-65 features handy mounting options and multiple modes: high steady, low steady, daytime pulse, nighttime pulse and economic flash. Features: Include high steady, low steady, daytime pulse, nighttime pulse and economic flash Fully USB rechargeable - no batteries to buy or replace Run time up to 15 hours Power saving function- 10% power or less, lights will automatically switch to lowest lumen output Memory function-lights turn on at the last mode it was turned off Specifications: Brightness: 65 Lumens Battery Type: Rechargeable (USB) Run Time: 15 Hours (Max) Beam Color: White Color: Black Weight: -