technical data: operating modes: level plumb upper plummet lower plummet accuracy: ± 1 mm / 10 m tilt range in x / y axis: ± 10% compensator: electronic automatic levelling range: ± 5° laser detection zone diameter: 800 m detector: digital (with millimeter reading) power supply: battery (li-ion) laser diode: red (635 nm) operating temperature range: -10 °c – +45 °c housing leakage class: ip 54 nl the 800r-mm is a professional rotating laser designed for precise measurements over long distances. an electronic compensator advanced stabilization system and a digital millimeter detector ensure fast and accurate determination of level plumb and slope. the durable construction makes the level ideal for both field and indoor work guaranteeing reliability in all conditions. the lasertech nl 800r-mm rotating level is equipped with a number of technical solutions that increase the functionality and comfort of everyday measurements: highest measurement accuracy the level is equipped with a high-quality electronic compensator ensuring the highest precision of ± 1 mm / 10 m very long range a powerful laser diode allows for work even over very long distances. The laser detection zone diameter is up to 800 meters. versatile use the level works horizontally and vertically has a built-in upper and lower plummet and also allows for marking slopes. slopes in the x/y axes the head tilt function in the x-axis and y-axis allows for marking slopes in the range of up to ± 10% digital detector with millimeter reading the laser is supplied with the dl800rg-mm digital detector which displays the difference in height (vertical) and distance (horizontal) from the reference plane in millimeters. efficient li-ion power supply the level is equipped with an efficient and capacious lithium-ion battery and a charger. shock alert function protection against the effects of accidental knocking of the device (the laser stops on impact). wind function continuous operation mode in difficult conditions (wind gusts vibrations from construction machinery etc.) rotation speed adjustment four rotation speeds of the laser head: 100 200 400 and 800 rpm. scanning function five scanning modes: 0° 10° 45° 90° 180°. standard equipment: laser level li-ion battery with charger precision detector with staff holder remote control glasses target plate carrying case