Why does it say "Accuracy of 5% at 50-60 Hz"... only 5% accuracy??

Looks like it measures a very specific range of frequencies (Extremely Low to Very Low), and 50Hz is the lower end of it's range. So it might pick something up down there but is made for higher signals; probably pretty accurate at say, 5kHz.

Aside from "ghost hunting", does an emf meter have any usefulness?

Actually, this little meter has been around for a long time; only recently coming into fashion for "ghost hunting" expeditions. It can be used by electricians, plumbers heating and air people, burglar alarm companies, etc. in the fields of home building, protecting or repair. Look it up online with the query - "official uses for K-II EMF meter" and this should better answer your question.

Does this meter auto shut off if left on for extended amount of time?

No you need to manually shut it off

Does this item have sound?

Sorry, no they do not, but I bought a cheap simple piezo buzzer from radio shack & a chrome switch & soldered it onto the board for sound, not the greatest buzzer but it works, I recently re-sold 2 of these on ebay because we prefer the Mel Meter with shadow detector built in & the cheaper Ghost Meter, they work much better after we've used all 3 for years, that's why we sold the k-2 it just got famous because they use it on Tv, but the Ghost meter has nice sound & looks good, not the Pro version of Ghost Meter, they kinda ruined it with that version, but just the plain old Ghost Meter, if you have the money spend a $100 on the mel meter if you have more get it with the shadow detector built in, it's works great,

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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الحساب عربة التسوق

K-II EMF Meter for Ghost Hunting

Product ID: 5008006

Details

Age Range (Description)
Adult
Brand
K-II
Color
Gray
Display Type
LED
Included Components
Battery 9V
Outer Material
Plastic

⚡0.5s instant EMF response

📊Multi-segment LED display for clear readings

🔋9V battery powered for portability

Description

👻 Detect the unseen. Own the moment.

PRECISION ACCURACY - Reliable readings with ±5% accuracy at 50-60 Hz, trusted by pros and paranormal enthusiasts alike.
AUTHENTIC PORTABLE - Made in the USA, lightweight 4.6 oz design powered by a single 9V battery—take it anywhere your curiosity leads.
WIDE FREQUENCY RANGE - Detects both ELF (50-1,000 Hz) and VLF (1,000-20,000 Hz) bands for comprehensive EMF monitoring.
INSTANT EMF DETECTION - Catch every electromagnetic spike in real-time with lightning-fast 0.5 second response.
USER FRIENDLY OPERATION - Effortless push-on/push-off design means no complicated setup—just measure and go.

The K-II EMF Meter is a professional-grade, portable device designed to instantly detect electromagnetic field fluctuations across ELF and VLF ranges with ±5% accuracy. Featuring a clear multi-segment LED display and simple push-button operation, it’s powered by a single 9V battery and crafted in the USA for reliability. Ideal for ghost hunters and EMF-conscious professionals seeking precise, real-time readings in a compact form.

Specifications

ASIN	B001PFPTCS
Additional Features	Authentic K2 Meter - Made in USA
Age Range Description	Adult
Best Sellers Rank	#764,644 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #364 in EMF Meters
Brand Name	K-II Enterprises
Color	Gray
Customer Reviews	4.6 4.6 out of 5 stars (762)
Display Type	LED
Global Trade Identification Number	00185842000095
Included Components	Battery 9V installed
Indoor Outdoor Usage	Indoor
Manufacturer	K-II Enterprises
Model	K-II-DELUX
Model Name	K-II-DELUX
Number of Batteries	1 9V batteries required.
Outer Material	Plastic
Part Number	K-II-DELUX
Power Source	Battery Powered
Product Care Instructions	Wipe Clean
Response Time	0.5 seconds
Reusability	Reusable
Style Name	Specialized
UPC	749447008742 888917005628 798256213571 185842000095
Unit Count	1 Count

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