. Hold up 6 messages in memory (1 one can store 512 characters, 2 to 6 can store 256 characters). Letters, numbers and simple images are supported. 9 different speed and brightness. Just manual program with three onboard buttons. 1pc of CR2032 battery. more than 20 hours continuous battery life. . Display area:85*37mm,Dot-matrix: 7*15dots. . There are two kinds effect for this item -- plain and diamond available. . Meas.: 35*25*27cm . Package: 120pcs/ctn, G.W.: 12kgs, N.W.: 10.5kgs. . Usage: belt decoration . Accessory: specification and 1pc of CR2032. . Available for some public places such as "company, exhibition, club, cinema, hotel etc." . Attention: 1. Keep it from water while in use. 2. Avoid its surface damage, keep it from falling. 3. Re-set a battery while the light isn¡¯t enough for the brightness or failing to start. 4. Avoiding the function effected, keep your hand touching the plate of the electronic component while working