Product information:
-Memory: 32MB Flash
-Sensor: 30W GC0328 CMOS Sensor
-Lens: 120 degrees Wide-Angle Lens
-Sensor Performance: Supports Automatic White Balance, Automatic Gain Control, Automatic Backlight Compensation
-Signal-to-Noise Ratio: more or less 41dB
-Minimum Illumination: 0.8Lux F1.4 Color Mode, 0.3Lux F1.4 Black and White Mode
-Night Vision: 2pcs 850nm 28Mil High Power Infrared Light
-Night Vision Distance: 1 Meter Best, Longest Distance is 3 Meters
-Video Format: JPG
-Video Size Frame Rate: 30W 7fps
-Recording Method: Press Button to Trigger Recording
-Cloud Storage Map: 30 Seconds 5 Images
-Battery Type Capacity: Polymer 803035 800mAh
-Battery Discharge Time: Polymer Battery Sleep Standby for 1 Year
-Network Protocol: TCP IP HTTP TCP UDP DHCP DNS DDNS NTP RTP P2P
-WIFI Connection: 2.4GHz WiFi, Supports 802.11 b g n
-Ding Dong: Supports RF 433MHZ Ding Dong
-Storage: Supports Cloud Storage Function Hardware without TF Card Function with 3 Days of Free Circulating Cloud Storage
-Working Voltage: Polymer 803035 3.7V
-Working Current: 219mA Working, 10mA Deep Sleep, 280mA Open Infrared Working
-USB Charging Voltage: DC 5V 1.5A
-Storage Temperature: 0 to 50 Degrees
-Operating Temperature: -10 to 50 degrees, Working Humidity 95%
-Features: Wireless Connection, Ultra-Low Power Consumption, Supports Multiple Accounts for Online Viewing
-APP Access Doorbell Rules: 1 Main Account and 8 Shared Accounts, 9 Users Can Connect to the Doorbell, Only 3 Can Preview the Screen at the Same Time, Only 1 Can Talk to the Doorbell.
-Uses: Video and Voice Calls with Guests, Short-Term Video Recordings, Host Can Know Visitor Information Without Opening the Door.

Contents in Box:
-1 x Visual Doorbell
-1 x Dingdong Machine
-1 x Manual