Compact and comvenient, easy to use. This product will make your life easier and convenient. Features: Easy and accurate to measure: Digital LCD display for easy reading; Accuracy 0.3; Resolution 0.05. Multi-functional measurement: Combined with stainless steel ruler and angle sensor, measuring angle and length(metric and imperial). Hinge mechanism on the angle ruler allows full 360-degrees to measure inside and outside. Resetting & locking: Equipped with reset button for zeroing at any angle for relative measuring; Locking screw is for holding angles at any time. Automatically shut down after 6 minutes if there is no operation. Durable and simple on/off: Capable of working more than 2000 hours with one piece of CR2032 coin battery(Included); Short press on/off switch to turn off LCD screen; Long press on/off switch to turn off the product. Durable: The angle gauge is made of high-quality 2CR13 stainless steel material, which is more durable and can be used for long time. With the laser lettering, the scale on the ruler will not be easy to fade. Specifications: Type: angle gauge Quantity: 1pc Material: stainless steel 2CR13 Color: silver and blue Measuring range: 0-360/0-200mm Measurement accuracy: 0.3 Graduation value: 0.05 Battery: 3v button battery (Included) Size: 218*35*21mm / 8.58*1.38*0.82in Net weight: 209g / 7.37oz Packing List: 1 * Angle Gauge 1 * Package Box