Its white crackling LED lights give it the shifting light effects while the molten effects turn the lightsaber into bright white before its gradual fade into yellow and red. Light uniform, soft, do not flicker, will not make the eyes produce tension, fatigue. In the low power will be when the light, the power consumption of milliwatts. 5. Clip the power pack to your pocket or onto your clothing. Your Ghostbusters cosplay won’t look complete without the light-up deluxe replica Proton Pack.