Extech BR250-4: Video Borescope/Wireless Inspection Camera

Extech BR250-4: Video Borescope/Wireless Inspection Camera


The Extech BR250-4 Video Borescope/Wireless Inspection Camera includes a 4.5mm camera and provides a glare-free close-up field of view. It includes a 3.5″ color TFT LCD wireless monitor that can be detached from the base and viewed from a remote location up to 32ft (9.75m) from measurement point. Images and videos can be captured with date/time stamp and played back on the monitor or viewed on a PC via USB input. Ideal for Home Inspection (Inspect in walls for mold, insect infestation, electrical wire or water pipe location), HVAC (Inspect inside ducts, behind motors and compressors), and Automotive (View inside or around engines and transmissions) applications.

SKU: BR250-4
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Extech BR250-4: Video Borescope/Wireless Inspection Camera:

  • Detachable wireless color display can be viewed from a remote location up to 32ft (10m) from measurement point
  • 2GB microSD memory card (included) for capturing images (JPEG) or video (AVI) for viewing on your PC
  • Captured video and still images with date/time stamp can be played back on the wireless monitor or your PC
  • 4.5mm diameter camera head with 39″ (1m) cable
  • Video and images can also be transferred to your PC via the microSD card (with included SD adaptor) or USB cable (included) and viewed using Windows® Multimedia Player
  • Menus in 10 languages: English, Chinese, German, French, Spanish, Portuguese, Italian, Japanese, Dutch, and Russian
  • Mini water-proof (IP67) 4.5mm camera head
  • Four bright LED lamps with dimmer to illuminate viewed object
  • Glare-free close-up field of view
  • Complete with 4.5mm camera probe (BR-4CAM), 4 AA batteries, rechargeable display battery, microSD memory card with SD adaptor, USB cable, video interconnect cable, AC adaptor (100-240V, 50/60Hz), magnetic base stand, and hard case
  • Optional BR200-EXT extension cable available for increasing viewing depth if purchased with a 5.8mm camera probe or larger (shown on next page). Not compatible with 4.5mm camera probe (BR-4CAM); Extension cable has a diameter of 19mm and 37” (0.95m) cable length; maximum 2 extension cables can be connected to the borescope

Additional information

Weight 3.0 lbs


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  • Camera Pixels: 712x486 (NTSC)
  • Transmission Frequency/ Range: 2.4GHz
  • Transmission Range: 32ft (10m) unobstructed view
  • Viewing direction: Viewing Angle 63°
  • Focus distance from object: 5.9" to 9.8" (15 to 25cm)
  • Shaft diameter: 4.5mm
  • Working length: 3.3ft (1m)
  • Minimum bend radius: 2.36" (60mm)
  • Handle Dimensions: 7.3 x 5.7 x 1.6" (186 x 145 x 41mm)
  • Weight: 18.7oz (530g)


  • LCD Screen Type: 3.5" TFT
  • Pixels 320 x 240
  • Video Output Level: 0.9 to 1.3V@75Ω
  • Frame Rate: 10, 15, 20, 25, 30FPS
  • Video Resolution: 960 x 240 (avi format)
  • Image Resolution: 640x 480 (jpeg format)
  • Monitor Dimensions: 3.9 x 2.7 x 1" (100 x 70 x 25mm)
  • Operating/Charge Time: 1.5 hours/3 hours
  • Weight: 4.9oz (140g)


Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Their single source strategy has made us the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, their products are trusted by the professionals and are put to the test every day.

With over 45 years, Extech is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world. Sold in over 100 countries around the world, Extech’s success is supported by a far-reaching network of dedicated and knowledgeable distributors who introduce new users to Extech every day.