Price and specifications
SJCAM SJ4000 action camera

Video Resolution HD
Video Frame Rate 30 fps
Wide Angle 170 °
Wi-Fi Yes
Display screen Yes
Waterproof Yes

Action cameras SJCAM SJ4000

Release DateFebruary 2015
Availability On sale
Model SJ4000

SJCAM SJ4000 by TechnologyMafia Youtube review

Description: SJCAM SJ4000 may look like a GoPro, has features like GoPro, and even uses the same mount accessories like GoPro, but priced only a quarter of GoPro’s price. It has around $50 to $60 price tag depending on where you lived. The performance and the video quality are stunning. The footage runs smoothly and the images look very sharp, details, and vibrant enough. Interestingly, when you put your action cam inside the waterproof housing and bring it with you either for snorkeling or diving, you don’t have to worry to lose it because it floats on the water


  • Color reproduction is details and balanced
  • Video quality is sharp and details
  • Affordable price ($50-$60)
  • Water resistant (30m)
  • Package includes waterproof case & mount accessories
  • Waterproof case is very light that it will float on the water even with the cam inside
  • Able to record moment in HD 1080p @60/@30FPS


  • Not able to record footage in 4K
  • Easily worn down power button
  • Material is made of plastic



Effective Pixels 12 Mpx (megapixels)
Video Resolution HD
Video Frame Rate 30 fps
Image Stabilization Yes

Image sensor

Image Sensor Other SONY Series
Sensor Size 1/2.3 inches


Telemetry Yes
HDMI Output Yes
Wi-Fi Yes
Bluetooth No


Wide Angle 170 ° (degrees)
Maximum Aperture f/2.8


Built-in Memory Size 32 Gb


Memory card support MicroSD, MicroSD, SD


Display screen Yes
Screen size 2 " (inches)


Battery capacity 900 mAh


Application Extreme
Waterproof Yes
Color White, Black, Red, Blue, Yellow, Silver, Gold
Length 25cm mm
Width 20cm mm
Height 10cm mm
Weight 100 g (grams)

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