Niigata Seiki SK Laser Level Auto Revision Light LL-635ARS3

Weight: 0.4kg (including batteries) Laser: Type/Visible light semiconductor laser, Output/Less than 1mW (JIS standard class 2), Wavelength/635mm, Lifespan/Approx. 3,000h, Line modes: Horizontal + Vertical, Horizontal, Vertical Line accuracy: ±2.5mm over 5m, width: approximately 4mm over 5m (at ambient illuminance of 40lx) Laser beam angle: 100 degrees or more Laser recognition distance: Approximately 10m (when shining on a wall indoors) Automatic correction range: ±5 degrees Braking system: Magnetic braking Usable temperature: 0~40 degrees Battery required: 2 x AA batteries (test batteries included)