Features: 1) Flashing LCD Solar powered key chain and cell phone straps available 2) Needs very little power to operate 3) Even flashes when the unit is enclosed, and only the logo surface is exposed 4) No batteries required 5) Non-scratch surface 6) With waterproof property 7) Can be used for 10 years Applications: 1) Corporate logos 2) Licensed products 3) Sports teams 4) Retailing 5) Product / luggage tags 6) Dog and cat collars