Moon nova 80 front lightthe moon nova 80 light is great value light set is ideal for the regular rider and daily commuter compact and light weight quick release mountings and great visibility features 1 pc cree xh g high brightness led aa alkaline battery water resistant 5 modes standardhighover driveflashingstrobe quick release handlebar mount fits 22 31 8mm high precision optical lens side visibility size26 x 26 x 88mm running times standard 20 lumens 7 hours 30 mins high