BATTERY POWERED MEASURER: Operated with 1*SR44 / LR44 button battery (Included), feathering with automatic shut off to preserve battery life.
CLEAR TO READ: Designed with digital LCD display, make it easy to read thousandths of an inch.
EASY TO USE: Metric/Inch system interchangeable, Zero setting in any position.
MULTIFUNCTIONAL: Measurement Range of 0 to 1 inch (0 to 25 mm), Suitable for tread depth, brake shoe and pad wear.
12 MONTHS WARRANTY: Worry-Free Guarantee. 90 days refund or replace for no reason. Problems will be solved as soon as possible during these 1 year. Please feel free to conatct us if there are anything we can do for you.