Features The hardened stainless steel caliper is sturdy and not easy to break. Indoor, exterior and height can be measured easily and accurately Its measuring range is 300mm and can be used for accurate measurements. Easy operation, it is widely used for measuring small machine parts. With clear calibration on the caliper, easy to read. Product features: External internal measuring jaw Locking Screw Large LCD display Linear capacitive measuring system Depth measuring blade 0 Adjustment at any time Stepped Measuring Faces Easy to change battery (not included). Hard plastic housing Hardened stainless steel Measuring range from 0 to 300 mm Resolution of 0.01 mm 0.03 mm/0.001 inch Accuracy up to 100 mm 0.03 mm/0.001 inch Accuracy 100 to 300 mm Package includes: 1 x 300mm Digital Vernier Caliper (Battery not included) 1 x user manual (English language not Note: The LCD screen will work as soon as you slide the caliper. This is not a product quality problem. I hope you can understand! Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. Package List 1 x 300mm Digital Vernier Caliper(Battery Not Included) 1 x User Manual