Functions:led light,scissors,ball pen,PDA,ruler,laser pointer 1.Material:ABS rubber + metal flexible pipe2.Color:black,red,blue,green etc 3.Technology:ultrasonic welding4.Functions:Laser pointer,LED torch,LED flexible book light,Ruler,scissor,ballpen, 5.Battery:CR1616*2 6.Voltage:6V 7.LED:3,000-4,000MCD 8.Laser power:1mw or 5mw. 9.Size:5.6*8.5*0.6cm 10.Weight:27.6g led multifunction card light