PRECISE AND ACCURATE MEASUREMENT It is a suitable assistant for any house or company that deals with construction and/or finishing works. The device has the possibility of 3 types of beams: cross, horizontal and vertical. Thanks to the accurate and precise beam, you will be able to align every single piece of furniture and/or object to others in the room. It is most often used in construction, assembly and finishing activities, creation of interior designs, etc. This is an extremely effective product that every man should own, so don't waste your time and get this wonderful device. FEATURES: 3 types of beam: cross, horizontal and vertical Horizontal, angular and vertical level Ability to level, plumb and fix a right angle with a visibility of up to 20 meters Built-in self-retracting roller: up to 2.50 cm Weight: 187 grams Dimensions: 18.7 x 6 x 2.5 cm Power supply: – 3 x AG13