• The doorbell won't ring if choose "don't disturb" this function is enable
• 4pcs IR LED for night vision， led will turn on automatically under poor light
• Automatically taking and saving photos on Micro SD card when victor press doorbell button
• Press video button， the device will record video
• Repeatly press video button it will stop the video recording
• Press review button to review video or photos on the device
• Date and time will make on the photos or video if you choose "date and time" such function
• Power icon will twinkle when low battery