Waterproof Solar Powered Flashing LCD Keychains with Image Inside, making your logo or advertise more attactive and motional. Good for your premiums, promotional gifts and collection.   Key Specifications/Special Features:  New technology:  Solar powered LCD  No batteries needed.  Flash all the time in rooms or outdoor lights  Waterproof  Create your own image design   Specifications: 1) Item dimensions: 6 x 3 x 0.8cm 2) Image files requested 3) Image size: 32.5 x 24.5mm 4) Image resolution: 300dpi 5) Image file format: PSD/TIF/EPS/BMP/AI/JPG