• Video HD Record: High-definition camera, that records every picture clearly, and restores picture details in high-definition
• HD Wide-Angle Lens: A new generation of a large wide-angle lens, a panoramic view of the situation in front of the door, so that there is no safety blind spot at the door, and multiple visitors can see it clearly
• Two-Way Talk Intelligent Voice Changer: Two-way voice design, with high-power speakers and high-sensitivity microphones, clear and smooth video calls in front of the door. It can be turned into a talk-back, easily change into a male voice, and easily cope with various situations
• Automatically Capture Visitor Pictures: The doorbell can automatically take pictures of visitors when the doorbell is pressed, and you can also review the visitor records when you are out
• Day and Night Camera: Built-in high-power infrared night vision light, combined with ICR infrared filter, can automatically switch day/night mode. Even in the pitch-dark environment where you can't see your fingers, you can see clearly and take pictures clearly

Specifications:

• Maximum resolution: VGA 640*480
• Video coding standard: MJEPG
• Video frame rate: VGA/20FPS
• Video preview: support 1 channel P2P
• Video transmission encryption: support AES
• Photosensitive: support automatic day and night switching mode
• Infrared drive: maximum 50mA
• Infrared lights: 4 infrared lights
• Audio coding standard: G711.A
• Audio input: 1 channel
• Audio output: 1 channel
• TF card: not supported
• 1 button: doorbell + reset
• Indicator light: 1
• Accompanying sound collection: support
• Infrared light wavelength: 850NM
• Network distribution method: Bluetooth-compatible distribution network
• Connection method: 2.4GHz WiFi
• Power supply mode: battery power supply
• Battery interface: 1 way
• Firmware upgrade: support remote upgrade
• Working temperature: -10°C to +45°C
• Working humidity: less than or equal to 90%
• Charging power supply: 5V
• Dingdong RF code: EV1527
• Dingdong button: 3, pair code button, volume button, ringtone button
• Dingdong interface: USB
• Charging power supply: 5V