[DETAIL] Product information: 1. Material: ABS 2. Features: Test Gauss, keep you away from radiation, good for your health 3. Special function 5-led indicator, representing different radiation values; easy to use; 1 x 9V (Not included) 4. Apply 50 / 60Hz frequency monitoring 5. Dark green 0 1.5 milligauss; green light 1.5 to 2.5 milligauss; yellow 2.5 to 10 milligauss; orange 10 to 20 milligauss; red 20 + milligauss; Size: 14.3 cm x 2.9 cm x 5.3 cm Features: 1. Instantly respond to EMF fluctuations and spikes. Need 9 volt battery (Not included) 2. Easy to read LED lights in the dark and in the sun 3. Portable, easy to use, rugged, reliable, super responsive 4. UV reactive color label 5. Used for ultra-normal wave research and general EMF testing Introdution: flowmeters are often used during ghost hunting and are also used for personal safety to identify potentially harmful high EMF radiation. The  flowmeter is known for its reliability and quality in the investigation of paranormal phenomena. This makes the EMF instrument an excellent tool for detecting mental activity and finding potentially harmful high EMF levels in a home or work environment. Packing List: 1*EMF Meter 1*English User Manual Please note: this product is shipped without batteries [ATTRIBUTES] - Battery Included: Yes - Hign-concerned Chemical: None - Origin: Mainland China - Battery Included: Yes - Hign-concerned Chemical: None - Origin: Mainland China - Certification: CE,RoHS