The TLL 12 12Line Laser Level offers precise leveling with a laser diode of 520/505mm and ±1mm accuracy over 7 meters. It features 3 green 360° line lasers, horizontal and vertical pulse modes, and a 25m working range. With IP54 dustproof protection, automatic leveling within ±3°, and a <3° buzzer alarm, it's built for reliable performance in demanding conditions.