คุณลักษณะ

• A "door viewer" that lets you see visitors above the front door.
• Comes with a "Peeping prevention bracket" that can prevent peeping from outside the entrance.
• I can see up to 160 degrees.
• [How to install]
• Remove the lower barrel from the lens and place the cover on the lower barrel. Insert the lens from the outside and attach the lower cylinder with the cover from the inside.
• Make sure that the product is not loose after installation.