besnt:
https://www.alibaba.com/product-detail/Cheap-Waterproof-USB-Camera-Android-1080P_1600100422787.html

jinshikang:
https://www.alibaba.com/product-detail/New-Arrivals-2MP-Sealed-Waterproof-Dustproof_1600343297569.html

sony:
https://www.alibaba.com/product-detail/Sony-Cheap-2mp-Waterproof-4ch-Ahd_1600440852398.html

huiju wet:
https://www.alibaba.com/product-detail/Customizable-Waterproof-Weatherproof-8M-HD-camera_1600372065903.html