Laser Class: Class Ⅱ. IEC 60825-1:2014<1mW, 520nm 【Heavy Duty & Durable Design】 DOVOH P3-360G 3d laser level use updated core assembly, it can handle impacts and vibrations without losing accuracy or functionality. Injection-moulded rubber design reduce the risk of damage to the device. Metal protective cover protect the laser diode against damage from drop. 【High Visibility Green Beam】DOVOH 3 plane laser level use Germany Made high power laser diode to project a visible green beam over greater distances without significant loss of brightness or clarity. Under pulse mode, the working range can be extended to 197ft using with a laser level receiver. 【Dual High Capacity Batteries】 DOVOH 360 laser level green include two 2600mAh lithium batteries. The laser level has the capability to charge the battery directly within the device. In addition to using the battery, the laser level can also be powered by a USB cable. 【Multifunctional Magnetic Bracket】This laser level self leveling 360 come with a heavy duty magnetic bracket with adjustable clip, which is perfect for ceiling grid installation. The bracket can be installed on a tripod with 1/4”-20 screw or 5/8”-11 screw. 【Pulse Mode for Outdoor Use】This laser level 360 self leveling support pulse mode, it works with DOVOH DR1 laser level receiver. The working range can be extended to 197ft/60m under pulse mode with a laser receiver. 【5 Years Accuracy WTY】DOVOH provides 5 years accuracy WTY for all laser levels. For unqualified accuracy caused by normal use in 5 years, DOVOH will repair or replace with a new unit at no cost. Also, DOVOH provides 2 years WTY for any quality issue. Laser Class: Class Ⅱ. IEC 60825-1:2014<1mW, 520nm