Manual alignment mode also allows you to project diagonal lines Easy to use thanks to a simple user interface The compact design and soft-grip handle make the tool easy to use The battery level indicator allows you to easily read the amount of energy left in the battery The operating distance is up to 20 meters The measuring instrument projects precise horizontal, vertical and even cross laser lines The automatic self-leveling function allows you to work quickly and accurately without the need for manual leveling Built-in lithium-ion battery is easy to charge via built-in micro USB charging port This is an ideal measuring instrument that allows you to project a 360 ° laser line around the room The 1/4 "threaded mounting hole makes it easy to mount the meter on a holder or stand   Voltage: 3.7 V Battery capacity: 1.2 Ah Accuracy at a distance of 5 m: ± 0.5 mm Automatic self-alignment: Yes Estimated battery life: 10 hours Laser class: 2 Laser radiation: 635 nm Leveling time: <5 s Operating temperature: -5 ° C - +40 ° C Power supply: Lithium-ion Power supply of the instrument: Lithium-ion Self-alignment angle: ± 4 ° Storage temperature: -20 ° C - +70 ° C Operating distance: 20 m Weight: 0.4 kg