Wireless Video Peephole Viewer or Wireless video door phone is also known as the electronic cat eye, or the cat eye video doorbell, or the wireless cat eye video doorbell. It is a wireless video doorbell product developed with the latest wireless transmission technology and audio and video processing technology. Common video doorbells and wireless video intercom doorbells are mounted on the door or wall by punching. The wireless video intercom cat's eye is directly installed on the cat's eye hole of the door, which is called the wireless video intercom cat's eye. The peephole is a hole installed in the door. The person inside the cat's eye can see the outdoor visitors or the surrounding environment, while the outdoor visitors cannot see the indoor situation.