Insta360 Ace Pro 2 has a 1/1.3-inch sensor with dimensions of 10.8 x 7.5 mm and sensor area of 81.00mm2.
Insta360 Ace Pro 2's sensor is 102% larger than the average Action Camera sensor in its class. In cases where all the other parameters are the same between two cameras, the one with the larger sensor collects more light per pixel and performs better (less noise) in low light / High ISO conditions . Larger sensors also give the photographer more control on the depth of field.
Read our detailed Insta360 Ace Pro 2 Review