800 × 800
Source:https://spycameraindia.com/product/spy-camera-in-cap-1080p-digital-audio-video-recorder-hat-hidden-camera-with-remote-control
453 × 600
Source:https://spyproshop.org/product/baseball-hat-hidden-camera/
700 × 700
Source:https://www.proaim.be/products/proaim-heavy-duty-cinema-hi-hat-with-board
1996 × 2100
Source:https://www.yourhorse.co.uk/hacking/hat-cams/
640 × 640
Source:https://www.ebay.com/b/hat-camera/bn_7024891474
1500 × 1500
Source:https://www.arducam.com/product/arducam-12mp2-synchronized-stereo-camera-bundle-kit-for-raspberry-pi-two-12-3mp-imx477-camera-modules-with-cs-lens-and-arducam-camarray-stereo-camera-hat/
2000 × 2000
Source:https://www.etsy.com/market/camera_hat
702 × 1248
Source:https://mashable.com/deals/march-26-insta360-go-2
320 × 320
Source:https://www.walmart.com/c/kp/hat-camera
720 × 1280
Source:https://m.youtube.com/watch?v\u003d3l0k-Ax-d4Q
