color tree Portable LED EMF Electromagnetic Field Ghost Hunting Detector Paranormal Equipment Tester 50Hz-20000Hz Black.

Specification: Colour: black. Material: ABS. Accuracy:/5% Size: 14. 2 cm x 5 cm x 2. 5 cm (L x W x H. Detection range: 0 to 20milliGauss Detection frequency: 3020,000 Hz Package includes: 1 x EMF Magnetic Field Detector The five scales: The 1st light detects a normal EMF field, which is always around us. The range is between 0 and 1. 5 mG The 2nd light (GREENdetects a lowlevel EMF, whose range is between 1. 5 and 2. 5 mG. The 3rd light (YELLOWdetects an average level EMF in the range between 2. 5 and 10 mG. The 4th light (ORANGEdetects a highlevel EMF field in the range between 10 and 20 mG The 5th light (REDdetects an extremely high EMC range of more than 20 mG Notes: 1. Manual measurement, please allow 1~3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual colour of the item.