... Style multicolor aliuminum Led pen light Additional remarks1,model: TP-B12,battery:for free 3,weight:42.3g4,switch:press the button ... 6 hours 7,function:twist screws,light, both industral and day life usage 8,led source:led light 9,certificate:CE&RoHSCharacteristics . 1, ... life usage 3,aluminum material,water resistance,4,the bright color,the mutifuntion,very conventient5,good quality,good service for ...