Yes! Xiaomi Redmi Smart Band Pro have light sensor for auto brightness, the light sensor located under amoled display, some time auto brightness affected by your watch face especially if your watch face is in light color, but its normal for under display light sensor. You only can set auto brightness in the band it self by goin to Settings-Brightness and set Auto adjust to “On” position. You have 5 level brightness if you turn off the auto brightness. Whenever manual or auto brightness, the level 1 brightness is too high, compare to Mi Band, the level 1 on Xiaomi Redmi Smart Band Pro equal to level 3 on Mi Band, the amoled panel Xiaomi Redmi Smart Band Pro seem like Huawei Band 6 amodel panel.