Description: 1. A variety of functions: measurement of arbitrary curves, irregular objects, cylindrical diameter, etc.. Human waist circumference customized clothes, children's toys, odd shapes, pipe diameter. 2. Battery life: the electronic tape measure uses an ultra-low power semiconductor microprocessor to achieve longer standby time and battery life. Capacity up to 6 hours, no need to charge frequently. 3.Large measuring range: this electronic tape measure has a measuring range of 0-199.999 meters, which can meet your basic measuring needs. 4. Digital display: the digital display is clear and easy to read, the measurement data is clear at a glance, and the unit display can be switched. The tape is compact, can be used in -10C to 50C environment, and can be carried around. 5.PROFESSIONAL USE: This tape measure tool is perfect for professionals such as craftsmen and tailors. Product quality is guaranteed, please contact us for any product problems. Product Parameters: Case material: plastic Product screen: 1.8-inch VA LCD screen (white letters on black background) Product screen cover: 4H super hard plexiglass Product size: 53*15MM (diameter*thickness) Product net weight: 35 grams Cumulative distance measurement: up to 99.99 meters Accuracy: 0.5%, support stepless adjustment Backlight time: 30-180 seconds Battery: 260mAh 0.96wh Charging interface: Type-C Package Includes: Electronic rangefinder*1