LuMee, Illuminated Cell Phone Case for Samsung Galaxy S5 - Periwinkle Blue Dimmer switch to control light output and let you control the light. Rechargeable battery and charging cord. Long lasting battery that works Independently of your Phone. Tough, impact resistant plastic. Your Phone is snug and safe with the Lumee case. The Lumee provides great protection - it withstands drop tests Light at the tip of your fingers. Perfect lighting is just a click away with an easy on/off switch.