Digital Depth Gauge Features: Versatile Use: Ideal for measuring the depth of various devices such as TVs and monitors, and perfect for setting the height of saw blades and router bits. High-Quality Construction: Crafted from durable aluminum alloy, this gauge is built to withstand long-term use. User-Friendly: Equipped with a digitally illuminated LCD screen, it delivers easy-to-read, accurate measurements. The gauge provides a resolution of 0.01mm/0.0005" with an impressive accuracy of ±0.2mm for precision. Magnetic Base: Features robust built-in magnets at the bottom, allowing for a secure attachment to metal surfaces and ensuring stability during use. Battery-Powered: Operates with a single CR2032 3V battery (not included), providing a constant and reliable power source. Specifications: Brand: ETOPOO Display Type: Digital Measurement Range: 0-80MM Resolution: 0.01MM Accuracy: ±0.2mm Application: Woodworking Material: Aluminum Alloy with ABS housing Power: 1 x CR2032 3V battery (not included) Package Includes: 1 x Digital Depth Gauge 1 x User Manual