Features:  Capability - it has a measurement range of 40 meters and is capable of basic distance, area and volume measurements, indirect measurement through Pythagorean theorem, and one-tap angle and height measurement, and can also be used as a lever.  Touch-Screen - unlike general rangefinders that have buttons, this device is equipped with 1.3" OLED full touch-screen, bringing smooth operation by simply touching and sliding the screen.  Mini Size - it's small enough to fit in any jacket or trouser pocket, and the aluminum alloy housing makes it anti-impact and durable for long time use.  Millimeter Precision - adopted globally imported components, this meter delivers stable and precise measurement in 0.2s.  Practical Functions - switch units of meter (m), inch (in), feet (ft), and front and rear benchmark by a simple swipe; support single measurement mode and continuous measurement mode which shows the Max. and Min. values.  Wide Application - widely used in interior design, home renovation, construction field.    Specifications:  Material: Aluminum Alloy  Color: Black  Maximum measurement range: 40m  Accuracy: ±2mm  Battery capacity: 280mA  Screen: 1.3" OLED touch-screen  Unit: m/in/ft  Laser type: 620~670nm,＜1mw Class 2  Item Size: c  Item Weight: 40g / 1.41oz  Package Weight: 70g / 2.46oz  Package Size: 12.8 * 6.5 * 1.8cm / 5 * 2.55 * 0.7in    Packing List:  1 * Distance Meter  1 * Charging Cable  1 * User Manual (English)