1,material:ABS 2,size:14*1.2cm 3,Bulb type:1LED 1. 2pcs AAA size batteries 2: ABS plastic body with touch 3.Logo available 4.Penlight: touch typeType: Diagnostic Pen LightName: Touch Type Diagnostic Pen Light1. 2pcs AAA size batteries 2: ABS plastic body with touch3.Logo availableDiagnostic lamp, penlight. PL1224 Colorful Light Pen