clockwise tools dclr-1205 electronic digital caliper inch/metric/fractions conversion ip54 protection 0-12 inch/300 mm stainless steel body super large lcd screen auto off featured measuring tool clockwise tools clockwise tools dclr-1205 digital caliper is a higher quality and lower price digital caliper. it is highly recommended for home diy using as well as professional using. the measuring range is 0-12 inch/300mm. its accuracy is ±0.0015"/0.04mm and repeatability is 0.0005"/0.01mm. the resolution is 0.0005"/0.01mm, 1/128". the max measuring speed that allowed is 120" per second. it has a super large lcd screen (20mm x 50mm) in inch/metric/fractions conversion. it also has a rs232 data output. using connection cable (not included) allows data transfer between digital caliper and pc. clockwise tools dclr-1205 comes with two 3v, cr2032 lithium batteries. please note that in order to obtain a more accurate measuring result, please use a small piece of paper or paper card to clean the external jaws every time before using! clockwise tools dclr-1205 digital caliper has auto-off function and it takes 5-7 mins to shut off. for more information please follow us on instagram @officialclockwisetoolsinc