The small front and rear light set with a lot of power. The compact rigel lite and helix lite produce an impressive amount of light output despite a combined weight of only 108 grams excluding brackets. Rigel lite front light specification 2 pcs high brightness led max. Lumens 500lm fl 1 tested max.runtime 41 hrs fl 1 tested battery type li po built in recharge time 230 hrs size w x d x h 42 x 76 x 24 mm weight 78g features 6 modesmode 1 mode 2 flash 1 flash 2 day flash sos anti dazzling lens rotatable cnc aluminium heat sink lock mode day flash mode mode memory function variable lumen system garmin style quick release handlebar bracket low batterycharging and fully charged indicator automatic fully charged cut off system high precision optical lens side visibility usb type c remote control system usb type c charging cable water resistant usb port water resistant ipx 7 helix lite rear light specification cob red led max. Lumens 100lm fl 1 tested max.runtime 110 hrs fl 1 tested battery type li po built in recharge time 300 hrs size w x d x h 22 x 19.5 x 51 xmm weight 30g featuaes 5 modes day flash steady flash flash 1 mode 1 mode 2 cnc aluminum heat sink casing lock mode auto safe mode day flash mode mode memory function variable lumen system low battery charging and fully charged indicator automatic fully charged cut off system side visibility water resistance ipx 7 usb type c charging cable