Description This emf meter is made of premium material, which can withstand long-lasting use. Features the ABSmaterial, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black-Material:ABS-Size:15.00X5.00X3.00cm/5.89X1.97X1.18inLighting control: dark green: 0~1.5 milligauss; green light 1.5~2.5 milligauss; yellow 2.5~10 milligauss; orange 10~20 milligauss; red 20+ milligaussBattery: 9V 6F22 (not included)- LED indicator light to show different radiation values, convenient and practical to use.- Measure wide range of EMFs and it can pick up a cell phone within 2 feet.- Can be used in electromagnetic radiation detection of toys, furniture, antiques, building materials, decorations, food, etc.- Note: this emf meter can only measure magnetic field and electric field, cannot detect nuclear radiation.- Scientific design, high strength, high hardness, and excellent durability, it will easily meet your needs.Packing list: 1 x meter1 x manual