Will the hotel sprinkler light up?

The sprinkler doesn't work. This is a fire sprinkler, right? There are open spray and dark spray, both of which are not bright. What lights up is the smoke detector, which lights up in red and flashes regularly. It's not the camera that flashes red dots in the hotel. The red light emitted by the infrared camera is continuous and will not flicker. Most of the flashing red dots are sensors, such as smoke sensors that alarm and spray water after a fire.

Hotel inspection camera method

Pay attention to the colored lights in the hotel: after entering the room, turn on the switching power supply and then check it gradually. Everyone should put their keys where they can take pictures of the bed. If you find a small colored light, it is usually an invisible camera. Because, if the surveillance camera is going to work, it will light up, and besides checking the periphery of the bed, the bathroom in the shower room is also something that everyone must check.

Distinguish with mobile phone lens: turn on the mobile phone lens before entering the room, then turn off the light, scan the room with the mobile phone lens back and forth, left and right, and then have an invisible camera, and there will be a shining light spot on the mobile phone screen. If there is no shining light, then make sure there is no invisible camera, and then you can feel at ease.

In fact, you can turn on the phone lens and aim at the TV remote control. Press the controller gently, and you will also see a bright spot on the phone screen. That's infrared sensing. Turn off the main switch power supply of the house: In order to better prevent taking pictures, we can choose to turn off the main switch power supply of the house before going to bed, making it difficult for the contact camera to work in the natural environment without electricity.

Because most invisible cameras are actually installed by using the switching power supply in the room, after the power is cut off, the monitoring cameras will not work.