Disto X4. Robust range finder, enclosure class IP 65, that can calculate area and volume. Measurement from either the front edge or rear edge. Addition/subtraction. Automatic shut-off. Distance measurement up to 150 m. With accessory Leica DST 360 (96772017, not included) offers the ability to perform point-to-point measuring (P2P). Digital target seeker with colour display for performing measurements in daylight or bright rooms. Continuous measurement. Min/max. tracking. Gradient sensor. Stake out function. Memory stores the last 20 measurements. Distance measurement between points over a distance, through pre-programmed geometric calculations (Pythagoras' theorem). Bluetooth® Smart to send measurement values to photos and sketches in apps. Integrated room calculation/''painter function'' performs three measurements to produce the room’s volume, perimeter, wall area and floor area. Automatic display lighting. Multi-functional back-end for measurements in corners or when placed on the floor. Accuracy ±1.0 mm. Conforms to the requirements set out in ISO Standard 16331-1. The warranty period is 2 years or 3 years when registering the product on the Leica website. Supplied with batteries, wrist strap and holster.