ADV PRO nled033-b Massage Therapy LED Neon Light Sign 16" x 10" Authorized Seller with best quality. Using the highest quality acrylic plastic and led lighting Thickness of our sign is only 13mm (tradtional LED sign is around 25mm to 35mm) Provide plug with voltage suitable for worldwide use (110v to 240v) Approximate size: W 16"x H 10"x D 0.5" Provides a white board at the back for you to write