Dyna-lite Twinkle Kit with 2 Comet 400 w/s Twinkle Monolights, Stands and Umbrellas Each Monolight weighs only 3.5 lbs. The entire kits weighs 18.5 lbs Accepts All Comet CX Reflectors and Head Accessories Full to 1/32 in 1/2 stops 2.1 Recycle time at full power 1/680th Flash duration