Green-beam laser for maximum visibility with sharp, fine lines; horizontal and vertical line with a large fan angle to cover wider working areas Selectable independent or simultaneous laser lines for horizontal and vertical alignment applications Simple, intuitive and easy-to-use functions Rubber-coated housing and pendulum lock for higher robustness Perfect for transferring reference heights; leveling suspended ceilings, electric sockets, cable trays, radiators and pipe installations; Aligning doors, Windows, and pipes vertically Class II Power output<1mW