[3 in 1 Function] - This multifunctional Semlos laser level combines tape measure, laser beam and level bubble in 1 piece of equipment, suitable for all situations where straight, vertical or cross lines are required. [8ft Tape Measure] - Loaded with an 8ft / 250cm tape measure featuring imperial and metric linear measurements, with graduations up to 1/32" and 1 mm. [3 laser projection modes and 3 leveling bubbles] - It has three laser projection modes: horizontal level, vertical level and cross level.Also has 3 leveling bubbles : horizontal level bubble, vertical level bubble and 45 bubble. [Wide range of applications] - Designed for all situations requiring precise measurements, such as home improvement projects, laying floor coverings, hanging wallpapers, measuring locations on a wall, hanging pictures, leveling nails, etc. [Batteries included] - Equipped with 3 AG 13 button batteries , to ensure you continue with maximum comfort. Features: The laser light has an on / off switch. Good combination of 3 measurement in 1 with laser level, tape measure and leveling bubble of 3 kinds of direction (180/90/45). Note: When the measuring distance is between 10m and 25m, the laser ranging error is "+/- 2mm. Note: If the laser is level vertical or horizontal, you do not need to adjust the beam. Note: The laser light fades when it is used in the sun or outdoors. Specifications: Product size: 18.5 (L) x 6.2 (W) x 2.8 (H) )cm Package size: 21*8*4 cm Black color Net weight: 184g Package weight: 260g Tape measure length: 2.5m Original box: YES Note: For laser radiation, avoid getting into eyes. Improper use of the device can cause irreversible eye damage. A laser device is not a toy. Keep away from children. Corrective measures to increase the laser power are prohibited. Please do not disassemble the case yourself, otherwise the warranty will be invalid. Usage Note: Please press the button when removing the tape measure. As a result, the tape measure is better and easier to pull out. Please loosen the knob to lock the spool when the tape measure has been pulled out to the desired length. Package includes: 1 x Laser Level (includes 3 x AG13 button cell batteries) 1x User Manual