... at the same time it can be used as light .2.It is very fashion when u use ... of products is with high brightness,and with soft light ,which good to our eyes;The products are ... EL backlights have been widely applied in watches, computers, medical equipment, aviation, PDA, telephones, cell phones, BP machines, ... is the old design, the black case cannot light up:Please check the new one below, the colorful ...