1、Equipped with a large LCD screen, and comes with a backlight display, making reading more comfortable and easier. 2、Has a wide range of applications and can be used for angle measurement, and the measurement range is 400mm. 3、Using sophisticated production technology, this digital angle ruler has a dustproof and waterproof rating of IP5 4、Made of high‑quality aluminum alloy material, the digital angle ruler has good strength and corrosion resistance. 5、Small in size, light in weight, easy to carry, can be carried around, simple to operate and convenient to use. 1 x Digital Angle Ruler1 x English User Manual Item Type: Digital Angle RulerMaterial: Aluminum AlloyMeasuring Range: Approx. 400mm / 15.7inSpecification: ± 0.5Lithium Battery Model: 6F22 9V 800mAh (Without Battery)