NIUNIU K2 Electromagnetic Field EMF Gauss Meter Radiation Detector Portable EMF Magnetic Field Monitor 5 LED Gauss Meter Products are shipped according to the color or size of the main image on the product page. K2 flowmeters are often used during ghost hunts and also for personal safety to identify potentially harmful high EMF radiation. K2 flow meters are known for their reliability and quality in paranormal investigations. This makes the K2 EMF instrument the perfect tool for detecting mental activity and spotting potentially harmful high EMF levels in the home or work environment. feature: Special function 5-led indicator lights represent different radiation values. Easy-to-read LED light in dark and sunlight. Portable, easy to use, rugged, reliable and responsive. Runs on batteries (not included) and reports EMF measurements in the 5 milliGaussian range. For supernormal wave research and general EMF testing. Specification: Material: ABS Colour: Black Product size: 143*53*29mm / 5.6*2.1*1.1in Item Weight: 101 g / 3.6 oz Package size: 150*80*50mm/5.9*3.1*2.0in Package Weight: 127g/4.5oz Packing list: 1x EMF meter 1x User Manual Only the above package contents, excluding other products. Note: Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. thanks