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: Red -Material:ABS - Size: 15.00X5.00X3.00cm/5.89X1.97X1.18in Lighting 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+ milligauss Battery: 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 list1 x meter1 x manual