Self Leveling Laser Level 3x360° 3D Cross Line Rotary Lasers Green Beam, Pulse M

  

Why does the battery say it's dead after a few minutes of using second time? Batteries have a constant drain, we recommend removing the batteries after each using. To keep them fully charged for the next time, and the batteries have corrosive will destory the product if lefting inside the product. How long does the battery last? The green laser level can work steadily for more than 12 hours in the second gear and 6 hours in the first gear.

Can the laser level be used in outdoor or under brightsunlight? But work better indoor than outdoor.