The Moon Gemini Front & Rear Cycle Light Set offers 60 lumens from high brightness white LEDs on the front, and 20 lumens from high brightness red LEDs on the rear. CNC aluminium heat sink casingAuto safe mode Compatible with all round bars and AERO style barsAutomatic fully charged cut-off systemApprox. weight: 28g eachThe Geminis have a total angle of 360 degrees and a spot angle of 95 degrees. The 7 up front and 6 to the rear modes available include a double blast day flash mode. With a charge time of 2 hours the Geminis provide a runtime of up to 30 hours, depending on mode. They are also equipped with an auto safe mode, which indicates a remaining runtime of 1 hour.