How do you charge it? Battery operated?

The ST120 is powered by the 120V receptacle that it's plugged into.

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Deliver to Cayman Islands

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⚡ Test smarter, work faster — never miss a miswire!

PORTABLE DURABLE - Compact, rugged build fits easily in your toolkit and withstands tough jobsite conditions.
CLEAR VISUAL ALERTS - Bright LEDs provide fast, foolproof identification of wiring faults—no guesswork needed.
LIGHTWEIGHT EFFICIENCY - Weighing just 82g, it’s designed for effortless daily use without fatigue.
TRUSTED SAFETY STANDARDS - Meets CSA, CE, IEC, and UL certifications for professional-grade reliability.
INSTANT GFCI VERIFICATION - Integrated test button ensures your GFCI outlets are working perfectly every time.

The Fluke ST120 is a compact, battery-powered GFCI socket tester featuring bright LEDs and an integrated test button for quick, reliable outlet safety verification. Engineered for professionals, it meets multiple international safety standards and offers rugged durability in a lightweight design.

Common Questions

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.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

$59

Duties & taxes incl.

Cayman Islandsstore

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30 daysfor PRO membership users

15 dayswithout membership

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

View all Trustpilot reviews

Brand	Fluke
Power Source	Battery Powered
Style	Compact
Colour	yellow
Item dimensions L x W x H	5.8 x 7.4 x 2.5 Centimeters
Min. Operating Voltage	110 Volts
Specification Met	CSA, CE, IEC 61010-1:2000-1, UL
UPC	195112033579
Manufacturer	Fluke
Country of Origin	USA
Model number	ST120
Number of Memory Sticks	1
Specific Product Use	Professional
Item Weight	82 g
Product Dimensions	5.79 x 7.37 x 2.49 cm; 82 g
Item model number	ST120
Item Height	0.98 Inches
Item Width	2.9 Inches
Included Components	Outlet Tester

Fluke ST120 GFCI Socket Tester Without Beeper

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