Stabila LD250 BT Laser Distance Measurer 18817 FeaturesThe user-friendly laser has four basic measuring functions and is designed for measurements up to 50m. It is the instrument of choice if you often need to document internal measurements: the integrated Bluetooth® 4.0 Smart wireless technology allows measurement data to be easily transferred wirelessly to a smartphone or tablet computer. This allows you to work even more productively. Strengths Compact, easy-to-use laser. Integrated Bluetooth® Smart 4.0 technology for wireless transmission of measurement data from the laser to a smartphone or tablet computer. Free STABILA Measures app to transfer measurement results directly into photos of the site or drawings. 4 Basic measurement functions: length, area, volume, and continuous measurement. Fast determination of measurement results. Excellent readability thanks to large numbers and display lighting. Impact-resistant housing with shock-absorbing STABILA softgrip housing. ISO-certified distance measurer – the range (0.2 – 50 m) and accuracy (± 2.0 mm) comply with the international standard ISO 16331-1. Protection class IP 54: protection against dust deposits inside, protection against splashing water from all directions. For anyone working indoors. Technical dataLaser class 2 Wavelength laser 635 nm Accuracy +/- 2 mm Min. measuring range 0.20 m Max. measuring range 50 m Operating time (number of measurements) 5000 Memory option no With data transfer yes Tripod thread 1/4" Features 4 Protection class IP 54 Scope of deliveryManual