https://alexnld.com/product/3-in-1-usb-ear-scope-inspection-hd1-0mp-camera-visual-ear-spoon-for-otg-android-phones-pc-macbook-lens-diameter-3-9mm-1-5m-length-cable/?hilite="AN99 2 in 1 IP67 Waterproof Micro USB USB HD Endoscope Snake Tube Inspection Camera for Parts of OTG Function Android Mobile Phone, with 6 LEDs, Lens Diameter: 7mm (Length: 2m)"