Key Features:Front Light:Light sensitive auto ON/OFF- To help you to conserve battery power when the light is not needed,Waterproof to IPX 4,Light Memory Mode – Stay on the same mode even when you turn the light off,Lumen and Run Time are tested under ANSI FL-1 Standard,Daylight Flash Mode – Making a cyclist more visible during the daytime ,Low battery, charging and fully charged indicator,.Lumen Output:Mode1 – 600lm – 2.00hr,Mode2 – 300lm – 3.30hr,Mode3 – 150lm – 6.15hr,FL1 – 100lm – 56.00hr,FL2 – 300lm – 18.00hr,Day FL – 600lm – 57.00hr,SOS – 32.00hr,.Rear Light:Auto safe mode,Mode memory function,Rechargeable lithium polymer battery,Quick release universal bracket fits all round and AERO style bars,Low battery, charging and fully charged indicator,Automatic fully charged cut-off system,Water resistance (IPX 4),Recharge time: 2 hrs,Max. auto on/off standby time: 200 hrs,.Lumen Output:Mode1 – 15lm – 4.45hr,Mode2 – 25lm – 2.45hr,Mode3 – 50lm – 1.30hr,FL1 – 15lm – 25.00hr,FL2 – 50lm – 7.30hr,FL3 – 50lm – 11.00hr,Day FL – 100lm – 24.00hr.