*7x21 Resolution *Storing up to 6 messages in memory (it can display 1500 characters) *Can display numbers from 0 to 9, letters from A to Z and partial simple images,welcome you to contact us by sales09(at)molight-led(dot)com *1-9 scrolling speeds can be adjustable *1-9 brightness can be adjustable *English language be supported *User's manual programmed by 3 onboard buttons of the back *Power supplied by 2pcs CR2032 button batteries, they can last more than 20hours *Red, Blue, Green, White, Pink, Yellow can be chosen *The size of panel: 11.7*3.7*0.55CM (approximate) *Single package for 1pcs:15*7CM *Net weight: 20G *Gross weight: 30G *Package includes:1pcs of LED scrolling message panel,2 pcs of CR2032 button batteries and instruction *14pcs items be packaged in a inner carton *Size of inner carton: 16*12.9*7.32CM *12 inner cartons be packaged in a outer carton(totally 168pcs items with totally about 7KG) *Size of outer carton: 35*27*25CM Besides: We can offer the sample of T-Shirt at present with extra charge. The color of T-Shirt: Black The material: 65% Cotton and 35% Polyester Size: XXS, XL, XXL and XXXL. Inner and outer carton package.