GLL 55 1.5V SELF-LEVELING CROSS-LINE THE BOSCH GLL 55 PROFESSIONAL SELF-LEVELING CROSS-LINE FEATURES VERTICAL HORIZONTAL AND CROSS-LINE MODES AND CAN PROJECT TWO LINES INDEPENDENTLY OR TOGETHER FOR A BROAD ARRAY OF ALIGNMENT AND LEVELING APPLICATIONS. IT INCLUDES THE BOSCH-EXCLUSIVE VISIMAX TECHNOLOGY WHICH ALLOWS FOR OUTSTANDING LINE VISIBILITY IN STANDARD WORKING CONDITIONS. VISIMAX CONSTANTLY MONITORS THE 'S TEMPERATURE SO THE DIODES ARE ALWAYS DRIVEN TO MAXIMUM LINE BRIGHTNESS WHILE PROTECTING THE DIODES FROM OVERHEATING. THE LINES ARE VISIBLE UP TO 50 FT. WITH AN ACCURACY OF +/-1/8 IN. AT 33 FT. THE BOSCH SMART PENDULUM SYSTEM SELF-LEVELS AND INDICATES OUT-OF-LEVEL CONDITION TO HELP ENSURE AN ACCURATE LAYOUT. IT LOCKS THE PENDULUM AFTER THE IS SWITCHED OFF FOR SECURE TRANSPORT. THE INCLUDED MAGNETIC L MOUNT PROVIDES STRONG MAGNETS TO ATTACH TO STEEL STUDS AND A FREE-STANDING MODE WITH RETRACTABLE FEET. INCLUDES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" (1) MAGNETIC MOUNTING BRACKET (1) TARGET PLATE (3) AA BATTERIES (1) HARD CARRY CASE