Mon ing alarm smart wifi video doorbell, wireless remote control intercom doorbell The product is shipped based on the color or size of the main image of the product page. Summary:WIRELESS ME & BATTERIES & USB CABLE INCLUDED - The Video Doorbell comes with me,batteries and USB cord, all is ready for you. Besides your phone, you can also hear the voice from the me when vis s press the button of doorbell. Those videos taken when the PIR detector is ed would be automatically stored in network cloud. make sure to remove the plastic insulating strip from batteries before you charge them with USB cable.PIR MOTION DETECTION C Wireless Doorbell Camera has built-in PIR motion detection feature. set the motion detection sensitivity based on your need. In crowded environment, it is recommended to set Motion detection Sensitivity' as Low' or just set off to reduce the frequency of device arousal and notifications, thus to extend life and avoid too much disturbance. HD VIDEO & TWO-WAY AUDIO- easy configuration connection, the doorbell sends real-time notification to your phone when it is pressed or motion is detected. see, hear and speak to vis s directly from your smartphone via on-demand video no matter where you are. HD video, 166 wide-angle lens, two-way audio with noise cancellation microphone, PIR Motion detection system, all that makes you enjoy the doorbell.DAY & NIGHT MODE- Doorbell Camera can automatically s between day and night mode and working with IR LEDs, you can get clear vision even in the pitch-dark environment. Day or night, rain or shine, always enable you to see clearly who is outside your door, thus to guarantee the safety of your house. Also, you can make customized adjustments in app to make your life convenient and smart.WIRELESS CONNECTIVITY- doorbell camera supports 2.4GHz Wi-Fi, NOT supports 5GHz Wi-Fi. With long range Wi-Fi connectivity and two-way voice calls, this doorbell camera lets you see and speak to whoever is it at the door and also lets you hear what they are saying. All is in your hand just with a phone. It also supports multiple family members online in the app simultaneously to understand the dynamics of the front door.Two ways to power:1) ed by batteries: Please make sure to remove the insulating tabs from the batteries , after that use the USB cable to charge the doorbell camera with batteries installed inside, just like how to charge your phone. fully charged, your wireless video doorbell will run on batteries.2) ed by hardwiring: The doorbell uses AC power but it must go through a transformer as all hard-wired doorbells do to make it lower voltage. Two ways to install:1) use the tape (Included) to mount the doorbell. a super easy way to mount.2) use the screws to mount it. It is more secured and recommended. If you choose this way to install, you should mark 4 drill holes and use a bit to drill holes in your wall and insert the anchors, then secure your doorbell on the wall with 4 mounting screws and 1 security screw. All needed screws are included in the pack. questions you might concern:1) The doorbell camera only supports 2.4GHz Wi-Fi, does NOT support 5.0GHz Wi-F, NOT support as well.2) Please place the video doorbell in the area with good Wi-Fi signal3) It's weather resistant, IP55 waterproof, NOT fully waterproof. It is fine to place it outside your door. But DO NOT submerge it into water, and if there is flush rain, do something to protect it.4) No need to use SD card, video will be stored in network cloud