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Amazon.com : SJCAM Upgraded SJ4000 Action Camera 4K30FPS Ultra HD Dual Screen, 98FT Waterproof Underwater Video Camera, 170° Wide Angle, 2.4G WiFi Action Cam with 2 Batteries, SD Card, Helmet Accessories Kit : Electronics
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SJCAM SJ4000 AIR 4K 30FPS Action Camera Full HD Allwinner 4K WIFI 2.0" Screen Mini Helmet Waterproof Sports DV Camera - AliExpress
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