0:00-1:05 introduction, problems 1:06-2:55 unboxing , spec 2:56-3:18 Basic operation 3:32-4:02 comparison zink aloy vs Stainless steel 4:03-5:39 battery installation 5:40-6:39 How to use alarm off/alarm on 6:40-8:59 connection apps / how to use it 9:00-9:49 promotion/how to buy