A well-respected brand within the Umarex company, Laserliner is a German producer of many different sorts of tools and handheld measuring equipment. The enterprise is known all over Europe for its electrical testing instruments, multimeters, current clamp meters and endoscope technology. However, it is probably best known for its ranges of measuring tools, particularly those engaged with thermal measurements. Both contact and ambient temperature measuring devices are made by Laserliner, as are thermal imaging cameras. In addition, the company designs and manufactures a number of portable humidity and moisture measuring instruments, often used for building analysis by field engineers. Among Laserliner's extensive range of electrical metering products are those used for determining battery power, and polarity testing. It also has a number of voltage detectors, some of which offer wireless operation, in case of safety issues. The company is also well-known for its distance measuring devices, which use laser technologies as well as slope indicators, such as its digital spirit levels. Laserliner also makes professional cross-line laser devices and rotary lasers, and has developed its own software in support of these products. Finally, Laserliner makes a number of instruments designed for use in the construction industry, such as its automatic levelling instruments, which make use of specialist optics, and their associated accessories, including tripods and levelling staffs.