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Mainly for testing TVs, computers, refrigerators, printers, microwave ovens, cell phone towers, low-frequency appliances, and ghost hunting. (included). 【Sound Light Alarm】When the electric field value exceeds 40V/m, and the magnetic field exceeds 0.4µT or 4mG, the LED screen turns red, the indicator light flashes, and the buzzer alarms.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.