Street F-300 modes include high steady, medium steady, low steady, daytime pulse, nighttime pulse and economic flash Avenue R-30 modes include high flash, low steady, daytime pulse, nighttime pulse and economic flash Fully USB rechargeable — no batteries to buy or replace Run time up to 24 hours (Street F-300) and 7 hours 30 mins (Avenue R-30) 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 Built in battery indicators