Feature:1. LARGE MEASUREMENT RANGE: This electronic tape measure has a range of 0?199.999m, which can meet your basic needs.2. BATTERY LIFE: This electronic tape measure uses an ultra low power semiconductor microprocessor to achieve standby time and battery life.3. MULTIPLE USAGE: This electronic tape measure has practical functions, such as straight line measurement, circle measurement, arbitrary curve measurement, irregular measurement, cylindrical diameter measurement, etc.4. DIGITAL DISPLAY: The digital display screen of the tape measure is clear and easy to read, and the unit display can be switched, which is very intelligent.5. COMPACT AND PORTABLE: This tape measure is compact enough to be used in environments ranging from ?10 to 50 and can be carried around.Specification:Item Type: Digital Display Roller RulerMaterial: ABSColor: Silver, BlackOperating Temperature: -10-50Cruising Power: 6 hours of uninterrupted workMeasurement Range: 0-199.999mStandby Time: 300 daysCharging Port: Type CBattery: 1 x lithium battery (built in)Capacity: 260mAh (single battery capacity)Package List:1 x Digital Display Roller Ruler1 x USB Data Cable