X8 is a doorbell that doesn't require the use of a mobile phone; it is not a surveillance camera.The resolution of the product is 480P. When someone rings the doorbell, a notification sound will be heard and the screen will turn on. If the doorbell is not pressed for a while (about 15-20 seconds), it will stop working and the screen will go dark. When someone presses the doorbell again, the device will respond again. The device will not remain in an on state all the time; it will only be turned on when in use. Additionally, when the doorbell is fully charged, it can be used for about half a month regularly. 【Easy to Install & Work】 Installing your wirelessvideo doorbel no subscription is hassle-free.Connect the doorbell and monitor.NO set-up. NO subscription, NO monthlyfee, NO WiFi orequired. JustBack to topmount the doo.nywhere you prefer.No need to use a mobile phone, no apps required. 【Regarding batteries and charging 】 Powered by rechargeable 1000mAh polymerbattery.

【Pairing Doorbell&Monitor】1.power on the monitor,hold and press the "M"button,the LCD display shows"pairing..30,29,28.."counting down,suggesting enters the pairing mode.2.meanwhile,hold and press the doorbell button for 5 seconds.3.the monitor display shows "pairing ...√"suggesting paired successfully.

【Regarding the use of the microphone】

You need to hold down the button to make a one-way call. When a visitor rings the doorbell, the indoor screen displays the image and emits a notification sound. At this point, you can hear the visitor speaking. If you need an intercom, you need to press the "phone" button and keep it pressed to speak externally, so that the visitor can hear you.

【Regarding the use of the speaker】

How to adjust the volume of the speaker? You can directly increase or decrease the volume by pressing the "+" or "-" buttons while the device is charging.

【Instructions on the Use of Taking Photos and Recording Videos】

Photos:when someone press the doorbell,the camera will automatically capturethe photo and save it in monitor device.(maximum 50 images)after 50 images,it will automatically delete the first image and save the latest one.

Video recording:This function requires inserting the SD card,when someone pressthe doorbell,the monitor will automatically open the video recording.cycle coverage,and save the latest video.

【Regarding the use of distance】

Working distance:1.Wide Open Spaces without Interference.Maximal Range about 50 meters(100%).2.Wooden Door or Brick Wall.Maximal Range about 30 meters(70%).3.Metal Door or Metal Surface Material.Maximal Range about 20 meters(30%).

【4.3"|PS Screen & Automatic Capture or Video Recording 】The door bel camera automaticalysnapshots or records when a visitor presses thebutton and save it on the TF card (not included)You can view them on the 4.3" large screen clearly.

【Weather Resistant for indoor Outdoor】 lP65waterproof design, work stable in rainy, cloudy, coldand snow day. 

【Regarding product settings and usage】