HANMER 12 Lines 3D Green Beam Self-Leveling Laser Level Auto Self-Leveling. Please read carefully the contents of each part of this manual before. The device, especially regarding the safety precautions section, in order to use the machine correctly. Carefully polished body and covered by rubber. Makes the laser level shock resistant, wear resistant and impact resistant perfectly. Users can employ the 360° laser planes independently or together with the press of a button. Using high quality laser diodes and high-precision conical mirrors, the laser lines emitted is fine and bright with high precision. With two high-performance lithium batteries, greatly extend. Button to enter slash mode, you can place. Laser tool at any angle to make tilt lines. With rotating base or wall mount. Class 2, output power. Open the battery cover and use the dedicated battery (18650 Li-ion batteries) for this device. Pay attention to the positive and negative direction of the battery. Switch the lock to. To turn on the laser tool, the self leveling mode allows the device to automatically level within 3 degree, it alarms when beyond the self leveling range. Shift the horizontal line window and vertical line window by. Press the P/L button to enter slash/pulse mode, then you can place the laser tool at any angle to make the tilt lines. In this case, pulse mode allows use with the. Environments or at much greater working distances. Care the battery direction when charg. Charging, GREEN light mean. This device can be placed directly on a relatively flat surface or on the desktop for measurement. It can also be attached to accessories such as a connecting base, a wall mount, or a camera tripod. Class 2 laser product, please do not look directly into the laser beam and shine on others. The accuracy of the laser level has been strictly checked before leaving the factory, but in order to avoid unnecessary errors, it is recommended that the basic accuracy test be performed for the first time and when it is not used for a. Fter use, please lock the. Of the instrument in time to protect the internal movement and put it into the box. Do not short-circuit the battery and do not throw it into fire. Remove the battery when you are not using the laser level tool for a long time.