Features Measuring Range: This digital distance meter has a measurement range of 0‑99.999 meter, a high accuracy of 1cm+dx3/1000, ensuring stable and reliable measurement. Multiple Usages: Can be used for straight line measurement, different curved surfaces measurement, arc length measurement, irregular object surfaces measurement, etc. Magnetic Back: The distance gauge adopts magnetic suction design on the back, which can easily adhere to the surface of metal furniture, beautiful and saving space. HD LED Display: The digital distance gauge adopts a high definition LED large display screen, ensuring clear and intuitive readings and accurate measurements. Data Storage: This roller distance meter has 10 sets of data storage function, making it easy to look at anytime and anywhere, which is convenient and fast. Feature: 1. Built in Battery: The distance measuring meter has built in 240mAh high density lithium battery, a full charge range of about 12 hours, with Type C interface charging. Specification: Item Type: Roller Distance Meter Unit: M, in, ft Measurement Method: Roller Measurement Measurement Range: 0-99.999m Measurement Accuracy: 1cm+dx3‰ Battery Life: About 12 Hours Data Storage: 10 Sets Battery: 1 x 240mAh 3.7V Lithium Battery (built in battery) Charging: Type C Interface Package List: 1 x Distance Meter 1 x USB Cable 1 x User Manual Package List 1 x Distance Meter 1 x USB Cable 1 x User Manual