Camera Parameters
Image Sensor 1/2.7" Progressive Scan CMOS (Supports low light sensitivity)
Lens 2.0 mm @ F2.0, view angle: 176° (Diagonal)
Day & Night IR-cut filter with auto-switching
Video Parameters
Max. Resolution 2544 × 1888
DNR 2D/3D DNR
Video Compression H.265 / H.264
Frame Rate Max: 15fps; Self-Adaptive during network transmission
PIR Sensor 
Sensing Angle 100°
Sending Distance Max. 5m 
Sensitivity User adjustable (High, Medium and Low Sensitivity)
Interface 
Audio Input Built-in high-sensitivity microphone
Audio Output Built-in high-power speaker
Reset button Yes
Network Parameters
Intelligent Alarm PIR + human shape smart motion detection
Tamper Alarm Sound and light anti-dismantling alarm (supports sending alerts to the smartphone)
Video Intercom Long-distance video two-way talk
Protocol EZVIZ Cloud Proprietary Protocol
Interface Protocol EZVIZ Cloud Proprietary Protocol
WiFi Parameters
Wi-Fi Standard IEEE802.11b, 802.11g, 802.11n
Frequency Range 2.4GHz ~ 2.4835GHz
Channel Bandwidth Supports 20MHz
Security 64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK
Transmission Rate 11b: 11Mbps, 11g :54Mbps, 11n :150Mbps
General 
Operating Conditions -20°C~50°C, Humidity 95% or less (non-condensing)
Ingress Protection Grade IP65
Weight 241.35g
Size 150 × 58 × 32mm
Battery Capacity 5200mAh rechargeable lithium battery
Power Supply DC 5V±10% 2A
Power Consumption Max. 2W
Chime 
Size 100 × 55 × 35mm
Power Supply AC 110V ~ 240V
Wi-Fi Standard IEEE802.11b, 802.11g, 802.11n
Audio Output 72dB within 1m
Storage Supports microSD cards up to 256GB
Weight 120 g (4.2 oz)
In the box 
- DB2 Pro Video Doorbell 
- Chime 
- Mounting Plates 
- Inclined Mounting Plates (2)
- Screwdriver and Screw Kits (2)
- Foam Sticker 
- Plate Foam 
- Drill Template 
- Pin 
-U-shaped Wire and Wire Connectors (3)
- Power Cable 
- Quick Start Guide 
- Installation Guide 
- Regulatory Information 
Certifications 
Certifications UL / CE / FCC / REACH / WEEE / RoHS