Features: 100% brand new and high quality For both beginners and advanced users to help detect safe environments. The EMF meter comes with precision data that alerts users when the EMF field measures high. The detected data can be locked and the maximum data can be locked at the same time. LCD display can be turned on and off, and there is a flashlight and hole for connecting the tripod on the back of the tester. The EMF tester has more uses than other's tester, testing the magnetic field radiation with optional units mg/t, the electric field with unit v/m and ambient temperature with 2 units /. More uses in the EMF tester can help you check out whether the place is radiation-free and constant temperature; but it can't detect RF value directly. The measurement frequency range is larger up to 5HZ3500MHz, getting more accurate measurement of daily home appliances: TV, mobile phones, computer, refrigerator, induction cooker, electrical wires, etc. Package Includes: 1 x EMF Meter ( battery excluded) 1 x User manual Specifications: Material:ABS Size: 192x53.8x35mm/ 7.55x2.11x1.37 in note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.