Multifunction 2 x 360° Line Laser: The DS02DG laser level can select one 360° horizontal and one 360° vertical laser beams by individually controlling the H and V keys. In self-leveling mode, the laser tool will automatically level and indicate out-of-level with the help of a smart pendulum. The laser beam will blink fast as a warning when it is beyond the self-leveling range 4°±1°. In manual mode, you can lock the laser at any angle for better use. Pulse Mode: DS02DG laser level offers a working distance of up to 98ft (30M) with ± 1/9 inch at 33Ft high accuracy, after the pulse mode being activated, which can be extended to 130-197ft (40-60M) with a laser receiver. Two Methods of Power Supply: DECTEAM DS02DG Laser Level employed a large capacity of 3.7V / 5200mAh lithium battery(comes with a Type-C charging port, which can be charged separately), operating time about 8 hours. At the same time, the machine itself comes with a Type-C socket, when taking out the battery, the laser tool can be used at the job site by plugged in. The battery indicator can help determine the current battery level to prevent low battery power and overcharging. More Mounting Ways: The DS02DG has 1/4-20 threads on the bottom for easy connection to various tripod threads. The product is also equipped with a Lifting Base, magnetic stand and green laser target. Lifting Base the height is adjustable from 1.01 to 3.44 inch; The fine-tuning knob on the magnetic stand can be rotated 360 degrees, allowing the laser to cover the entire space; Green laser targets are used with green lasers for enhanced green laser visibility. Professional IP54 protection grade, can withstand harsh worksite conditions, to ensure that your work is carried out normally. This will be your first choice at the professional and cost-effective laser level.