"Good!" everyone responded in unison. Whether the task was pleasant or not, they had to show their leader a positive work attitude.,That peaceful tone gave him an inexplicable chill.,After powering on, only one-fifth of the battery power remained in the upper right corner of the camera. He fiddled with it casually and discovered that the camera had a night vision mode, which greatly facilitated their movements in the dark, although it consumed quite a bit of power.。