A)Saving energy This kind of product is adopted 12v supply voltage and led cold light source.Long lifespan, high brightness, it saves more than 70%-80% power than the regular products. B)making pictures dynamic With the high quality optical laser light guide panel which material is mitsubishi and degussa ® , making it effectively protect the picture against fading. C)convenience It easy to change pictures, just take 60 seconds. D)safe, environmental-friendly The product is waterproof, explosion-proof, low heat, environmental-friendly. Inner with bubble bags and foam, outer with cardboard carton.