HIGHLY ROBUST: The laser level is jobsite-ready, with IP64 dust and splash water protection and robust housing, the device is very durable and suitable for rough conditions. EASY-TO-USE INTERFACE: The line laser has a simplified interface which is easy to use, including an on/off switch, a single-button keypad to toggle through laser configurations, and an always-activated receiver mode ENHANCED VISIBILITY AND ACCURATE RESULTS: The GCL 2-50 G line level with bright green horizontal and vertical laser lines and two green plumb points offers high visibility. The laser level delivers precise results within ± 0.3 mm/m* for laser lines and ±0.7 mm/m* for plumb points STUD ALIGNMENT: The device can also be used for stud alignment with the RM 10 mount, which can be positioned above metal studs ITEMS INCLUDED: Laser level GCL 2-50 G, 4x AA batteries, RM 10 mount, tripod BT 150, laser target plate and pouch, Weight: 5.401325419 pounds, Manufacturer: Bosch