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Aliexpress yi 4k
Source google image: https://ae01.alicdn.com/kf/HTB1h6swa1sAV1JjSZFsq6ydZXXaN/YI-4K-Action-Camera-International-Version-Edition-Ambarella-A9SE-Sports-Mini-Camera-ARM-12MP-CMOS-2.jpg_640x640.jpg