What does it mean when two pairs are flashing but it says pass?

Yes, it means the flashing pairs are split pair, it can also be a normal cable to be used, but will influence the speed a little bit . so the device tell it "Pass".

Anyone had issues with batteries? I so tried a few 9v brands from durcell to a store brand, but an all seem to turn on the device but powers off.

Not teaching you to suck eggs, but have you checked the battery power level afterwards, in a separate tester, to see if they are being run down by a faulty machine?

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Noyafa NF388 Cable Fault Locator,Network Cable Tester Wire Tracker Cat5Cat6

Noyafa NF388 Cable Fault Locator,Network Cable Tester Wire Tracker Cat5Cat6

Product ID: 112021220

Details

Brand
NOYAFA
Colour
NF-388
Power source
Battery
Specification met
CE ETL UL
Style
Modern

📏97% accurate cable length measurement

📡8 simultaneous network drops tested

🔌Multi-port: RJ45, RJ11, BNC, USB

64.15 OMR

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Description

🔧 Stay ahead in network troubleshooting — test smarter, trace faster, and never miss a fault!

LONG LASTING USER FRIENDLY - Large backlit LCD, 50+ hours standby, auto shut-off, and included headphones for on-site ease.
TEST 8 NETWORK DROPS AT ONCE - Maximize efficiency with eight remote IDs for simultaneous cable mapping and testing.
PRECISION CABLE LENGTH TRACKING - Pinpoint open/short circuits with dynamic length calibration accurate to 97%.
INDUCTIVE TONER WITH LED AUDIO - Trace cables effortlessly using the bright LED-lit wand and adjustable volume tone.
UNIVERSAL MULTI PORT COMPATIBILITY - Seamlessly test CAT5/6, coaxial, USB, and telephone cables with versatile ports.

The Noyafa NF388 Cable Fault Locator is a professional-grade network cable tester designed for millennial tech pros who demand speed and precision. It supports simultaneous testing of up to 8 network drops, offers multi-port compatibility (RJ45, RJ11, BNC, USB), and delivers cable length measurements with 97% accuracy. Featuring an inductive toner wand with LED illumination and audio feedback, plus a large backlit LCD and long battery life, it’s the ultimate all-in-one tool for troubleshooting CAT5/6, coaxial, and telephone cables with ease and confidence.

Specifications

ASIN	B07MPXBVZQ
Best Sellers Rank	79,611 in DIY & Tools ( See Top 100 in DIY & Tools ) 47 in Network Testers
Brand	NOYAFA
Colour	NF-388
Compatible Devices	Computers, Routers, Switches, Networking Devices
Country Of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (66)
Manufacturer	Noyafa
Manufacturer Part Number	gufgbfgbgv
Measurement Type	Multimeter
Number of Items	16
Number of Packs	1
Power Source	Battery Powered
Specification Met	CE, ETL, UL
Style Name	Modern
UPC	889327030873
Unit Count	1.0 count

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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64.15 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to OMAN.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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