for Picture Hanging and Construction
How To Operate it
①Switch the Power ON / OFF button, it's on the self leveling mode. This laser level can be tilted self-leveling within± 4°,the alarm will be activated If this range is exceeded. And the alarm wouldn't be turned off until we put it in a level place. ②Press the power button “OUT” on the top for 3s to turn on the manual mode, then you could use it in any angle without alarm