Caution: color: we shlp according to the color of the first picture, in the package: if the quantity is not stated in the description, we will shlp the item according to the quantity and model in the title. K2 electromagnetic field emf gauss meter radiation detector portable emf magnetic-field monitor 5 led gauss meter the product is shlpped based on the color or size of the main image of the product page. K2 flowmeters are often used during ghost-hunting and are also used for personal safety to identify potentially harmful high emf radiation. The k2 flowmeter is known for its reliability and quality in the investigation of paranormal phenomena. This makes the k2 emf instrument an perfect tool for detecting mental activity and finding potentially harmful high emf levels in a home or work environment. Features: the special function 5-led indicator represents different radiation values. Easy to read led lights in the dark and in the sunlight. Portable, easy to use, rugged, reliable, and responsive. Operates on a battery not included , and reports emf measurements in five milli gauss ranges. Used for ultra-normal-wave research and general emf testing. Specifications: material: abs color: black, grey optional item size: 143 * 53 * 29mm / 5.6 * 2.1 * 1.1In item weight: 101g / 3.6Ounce package size: 150 * 80 * 50mm / 5.9 * 3.1 * 2.0In package weight: 127g / 4.5Ounce packing list: 1 * emf meter 1 * user manual