Item Type: Wifi Wireless Doorbell Material: ABS Weight: 136g / 4.80oz Viewing Angle: 60 Degree Pickup Distance: 3m Storage: Cloud Doorbell Camera Batteries: 3 x AAA batteries (shipped without batteries) 1APP Real Time Monitoring and Remote Control: After the visitor presses the electronic doorbell, the doorbell will push the notification to the cell phone, the owner can enter the cell phone call interface, remote control, real time view of the door situation. 2Two Way Voice Design: Two way voice design, with high powered speakers and high sensitivity microphone, clear and smooth door visual calls. 3High Definition Wide Angle Lens: A new generation of wide angle lens, the situation in front of the door at all times, so that the door does not leave a "safe corner", multiple visitors can also be seen one by one. 4Infrared Night Vision: Built in high power infrared night vision light, combined with ICR infrared filter, can automatically switch between day or night mode. Even in the dark environment where you can't see your fingers, you can see clearly and shoot clearly. 5Volume Adjustable Dingdong Machine: WiFi Bluetooth two kinds of connection, receiver placement is not limited; multi grade adjustable volume, noisy environment can also hear, quiet environment does not disturb the family rest. 6Cloud Storage Comprehensive Encryption, Automatic Cycle Override: Visitor records saved in the cloud, data encryption more secure, anytime, anywhere through the cell phone APP to view the visitor records, home situation as clear as day. 1 x Wifi Wireless Doorbell 1 x Indoor Dingdong Machine 1 x Double Sided Adhesive 1 x Instruction Manual 1 x USB Cable