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Streamlight Releases Ultra-Thin Wedge SL Inspection Light

Streamlight has launched the Wedge SL, an ultra-thin, USB-C rechargeable light inspection light designed for users who want pocketable power up to 500 lumens in THRO mode.

October 30, 2025
Thin black pen light against a blue background with logo for Streamlight and yellow text that reads Wedge SL.

Streamlight’s new Wedge SL offers 100 or 50 lumens of output and is designed to fit in a shirt pocket. THRO mode increases output to 500 lumens.

Photo: Streamlight/Work Truck

2 min to read


Streamlight, a leading provider of high-performance lighting, introduced the Wedge SL, an ultra-thin, USB-C rechargeable inspection light designed for users, including technicians, who want pocketable power without compromise. Built for versatility, the Wedge SL transitions effortlessly from everyday tasks to precision work in tight spaces.

With a tail switch that is engineered for one-handed operation, technicians can choose between momentary and constant-on lighting modes. High mode delivers 100 lumens, 300 candela, and a 35-meter beam distance, and Low mode has an output of 50 lumens, 150 candela, and a 24-meter beam distance.

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This everyday carry flashlight also features THRO mode, activated by a 3-second press, providing 500 lumens of maximum output. With the TEN-TAP programmable switch, technicians can customize their lighting experience by selecting the output modes to suit specific needs.

“We created the Wedge SL as an ultra-portable lighting tool that doesn’t compromise on performance,” said Michael F. Dineen, Streamlight president. “It’s low profile, rugged, and packed with features that make it ideal for both professional and everyday carry applications, including auto work and outdoor use.”

The Wedge SL features an unbreakable acrylic lens and a thin unibody design crafted from Type II MIL-Spec anodized aluminum. 

Powered by an integrated lithium polymer battery, the light recharges via USB-C and includes a four-level LED battery status indicator with charge alerts. Additional features include a stainless steel injection-molded pocket clip, multi-function tactile switch, and durable IPX4 water resistance with 1-meter impact testing.

Available in black, coyote, and silver, the Wedge SL is 5.65 inches long, 0.55 inches wide, 0.28 inches thick, and weighs 1.14 ounces.

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