Waterproof Solar powered Flashing LCD Keychains with Image Inside. Make your logo or advertisement more attractive and motional. Good for premiums & promotional gifts. Solar powered LCD, No batteries needed, can be used more than 10 years LCD flash all the time in rooms & outdoor. Creat your own image or Logo design. Product size: 6*2.5*0.8cm. Image size: 51.5*19mm. Image resojution: 300dpi. Image file format: PSD/TIF/EPS/BMP/AI/JPG