Do you have better image quality dashcam? like 4K?

Yes, our new arrival U1 front cam has a Sony sensor and provide 4K for front cam recording,

Front Camera:

3840 * 2160P 30fps, 2560 * 1600P 30fps, 2560 * 1440P 30/60fps, 2560 * 1080P

21:9 30/60fps, 2304 * 1296P 30fps, 1920 * 1080P 30/60fps.

Front + Rear Camera:

4K 30fps + 1080P 30fps, 1600P 30fps + 1080P 30fps,

1440P 30/60fps + 1080P 30fps, 1080P 30/60fps 21:9 + 1080P 30fps, 1296P 30fps + 1080P 30fps,

1080P 30/60fps + 1080P 30fps.

Check it out here: https://www.zenfox.com/en/home/33-zenfox-u1-2ch.html