Rotation Angle---Left And Right 355 Degree, Up And Down 90 Degree. Bulb security camera has a pan and tilt feature. You can use the app to control the viewing angle of the cameras to achieve 360-degree viewing without blind spots. Intercom Mode---Two Way Voice Intercom. Screw in security cameras for light socket built-in and speaker, the security cameras can have a conversation between you and your visitor. 1080P Resolution and Night Mode---Smart home surveillance camera gives you a clear view (full HD 1080P resolution) at any time of day or night. Infrared Night Vision,even in total darkness, you can see clear images using light socket security cameras Easy Installation---Wireless camera is easy to install, simply replace the bulb to mount this camera to an E27 lampholder, 2 minutes wifi installation. Bulb surveillance camera allows you to view the screens detected by the camera without worrying about missing a moment, making your home safer. Support Motion Detection---Wireless bulb security camera supports motion detection, when motion is detected the camera will send you an instant alert.