The Stanley STHT1-77409 Laser Distance Tape Measure (TLM50) is ideal for DIY and light building jobs including indoor applications such as measuring for furniture plumbing carpentry painting and electrical work. The unit has an effective working range of 15m which is great for larger spaces. Easily capture measurements especially those that would be difficult to capture with a tape measure. Equipped with a multitude of convenient features including distance calculation and continuous measurement function for multiple readings. The improved accuracy of +/-3mm @ 10m enables for greater accurate measurements. The compact and lightweight design with ergonomic rubber over-mold for ease of use can easily fit in the pocket. The black screen with white letters is for better visibility in brighter conditions.