Digital Caliper with LCD for Inner and Outer Diameter Depth IP54 Waterproof and Includes Battery Storage Measuring Adjustable Zero Stainless Steel

High Accuracy and Fine-Tuning: The measuring range is 0-300mm, with a minimum reading of 0.01mm. Its high accuracy allows for more accurate measurements. It can measure outer diameter, inner diameter, step, and depth. It can convert between two measurement units (mm and in) for easy and accurate readings. Fine-tuning with the thumb roller allows for easy and precise measurements. Material: The entire caliper is made of durable stainless steel, which will not rust. The LCD display is made of ABS resin. A spare button battery and a Phillips head screwdriver for opening and closing the battery box are also included in the storage case. [Smart Operation] With auto power-off, auto power-on, and IP54 waterproofing, it can be used safely even in environments where large amounts of coolant are present. Simply slide the digital unit to automatically power it on without pressing the ON/OFF button. This caliper automatically powers off after 5 minutes of inactivity, saving energy and making it environmentally friendly. It also prevents accidental power-on. Convenient LCD Display: Measurement values are displayed digitally on a large, easy-to-read LCD screen. Easy to operate, it's extremely useful for measuring hard-to-measure items. The digital display is easy to read and can be read at a glance. [Applicable Places] As a common surveying tool, it is widely used in homes, schools, laboratories, factories, and other places. Its waterproof rating is IP54, so you can use it safely in various places. It comes with a storage case for easy portability. J&T 300mm Digital Caliper with Storage Case, Large LCD Display, Zero Set Function, Multi-Function Caliper for Inner/Outer Diameter, Depth, and Step Measurements, Auto Power Off, Compact Design for Easy Storage and Carrying, Includes Spare Battery for Easy Use