1,product size:185x163x10mm 2,frame color:red,yellow,blue,green,pink..... 3,panel material:high light acrylic JZF- ... child1,product size:185x163x10mm.2,frame:ABS material and red /yellow/blue/green/pink etc color.3,panel material:high light ... to use.5,It is best to use the orange or yellow fluorescence pen, the best effect.6,power by 3pcs AAA ...