Auto Off & Saving PowerThe caliper micrometer has an automatic shutdown function. When the slider is not moved for 5 minutes, it will automatically turn off the screen and enter the sleep state. move the slider in the sleep state and the screen will automatically turn on and resume working. When the slider does not slide within two hours, it will automatically shut down, and it needs to be turned on manually after shutting down.
4 Measuring WaysThis digital vernier dial caliper is easy to measure depth, step, external and internal diameter, making all your objects measurable. 3 batteries are provided: one installed and other two as spare batteries. Auto shutdown for saving battery after within 6 minutes if without operation.