FEATURES 360° green laser, up to 4 times brighter Ideal for precision work on multiple walls simultaneously Line projection: 1x vertical, 1x horizontal 360° Laser lines can be activated independently Intuitive self-levelling with LED indication Simple to use, with inserts rubber ON/OFF switch PERFORMANCE Self-leveling (°)4 Laser classificationClass 2, <1 mW Laser colorGreen Wavelength [nm]520nm± 10nm Max depth (m)25 Laser projection1x horizontal 360°, 1x vertical Auto time -leveling [s]2~4 BATTERY No. of batteries supplied 4 Battery type Alkaline