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- USA
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Streamlight PROTAC® EMSOverview C4 LED technology offers 3 levels of increasing intensities: Low, medium and high Powers on at low beam: 3. 6 lumens runs 36 hours; ideal for pupil exams. Faint peripheral illumination surrounding the focused beam slightly illuminates the opposite pupil without directly causing it to contract, facilitating observation of consensual contraction in dim light Two taps of the tail switch accesses medium mode, which delivers 10 lumens runs for 14
Overview
C4 LED technology offers 3 levels of increasing intensities: Low, medium and highPowers on at low beam: 3.6 lumens/runs 36 hours; ideal for pupil exams. Faint peripheral illumination surrounding the focused beam slightly illuminates the opposite pupil without directly causing it to contract, facilitating observation of consensual contraction in dim light
Two taps of the tail switch accesses medium mode, which delivers 10 lumens/runs for 14 hours. Ideal for non-glare wound examination
Three taps of the tail switch accesses high mode, which delivers 50 lumens/runs 1.5 hours (1 AA alkaline); runs 3.4 hours using AA lithium battery
Features the “Star of Life” emergency medical care symbol
Includes 1 AA alkaline battery and nylon holster
Also accepts AA lithium battery (sold separately)
Solid State power regulation provides maximum light output throughout battery life
Rubber push button tail cap switch
IPX7 rated design; waterproof to 1 meter for 30 minutes
Impact-resistant tempered glass lens for maximum beam clarity
Unbreakable pocket clip
Anti-roll head
3.97″ (10.08 cm); 2.3 oz (65 grams)
RoHS compliant
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Worth the buy!
Size: Medium, Color: Black
These socks wash well and have lasted us through the year without holes wearing in them. This is actually the 2nd pack we’ve purchased and will definitely buy more when we outgrow these.
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Reviewed in the United States on January 19, 2026
★★★★★ 5
Highly Recommend these as daily socks
Size: X-Large, Color: Black
I love these socks. I’ve been wearing for years. There was a batch I purchased about 2 years ago that all fell apart in the same seam location after 6 months but UA appears to have resolved. I highly recommend.
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Reviewed in the United States on September 22, 2025
★★★★★ 3
They're ok, miss the resistor 3.0
Size: Large, Color: Black
I bought these because Under Armour stopped making the resistor 3.0 socks. These are fine, but the resistors are better. This model is a little too form-fitting, and I have to make sure they're situated on my toes properly, otherwise they'll sit between my little toe and the next one.
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Reviewed in the United States on June 13, 2025
★★★★★ 5
UA Socks
Size: Large, Color: Black
Great socks for summer. Just what I wanted.
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Reviewed in the United States on July 3, 2025
★★★★★ 5
Good Socks.
Size: Large, Color: Black
Good fit and comfortable socks.
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Reviewed in the United States on July 20, 2025