tp1 use experience 1, can not fine-tune the camera Angle 2, wireless pairing requires the mobile phone APP to emit cuckoo sound, mobile phone speaker aimed at the microphone of the device. I came here to see if anyone was joking about this feature, and I changed my router, and I need to reconnect, and I've been working on it all afternoon, and it's not connected. I remember I just got it back, and I worked on it for a long time. 3, there is often a delay in opening the intercom function. 4, the camera is facing my bedroom, sometimes can capture me suddenly appear in the living room, how I come out of the bedroom occasionally can not photograph. These are the disadvantages. The advantages are also many, cheap, clear image, free 3-day cloud storage. With him, I often talk to the elderly in my family, which is very good.