1、Premium Material: The doorbell is made of ABS+electronic original material, which is sturdy and high durability, ensuring long term use. 2、1080P: A 1080P high definition video doorbell with enhanced features, allowing you to see, hear, and talk to anyone through your mobile phone, tablet or PC. 3、Night Vision: Updates to the original video doorbell, enjoy improved motion detection, privacy zone and audio, and clearer night vision. 4、Wireless Reception: Receive mobile notifications when someone presses your doorbell or triggers your built in motion sensor. 5、Easy to Install: Connect the Video Doorbell to Wifi through the app and install it with the accompanying tools, then you can easily set it up. Item Type: Doorbell Material: ABS + Electronic Original CPU: GM8135S, Built InARM926 at Maximum. 440MHz High Speed Video Coprocessor Sensor : 1080p GC2053 CMOS Sensor Lens: 120° Wide Angle Lens Sensor Performance: Support Automatic White Balance, Automatic Gain Control, Automatic Backlight Compensation Signal to Noise Ratio:≥39dB Illumination: 0.8Lux/F1.４（Color Mode）,0.3Lux/F1.4（Black and White Mode） Night Vision: Automatic Switching of Dual Filters, 5pcs 850nmΦ28Mil High Power Infrared Lamps Night Vision Distance: 3 Meters Good Effect Long Distance 20 Meters Motion Detection Motion Detection: PIR Motion Detectionsensitivity Adjustable From 1-25 3 Meters Good, 5 Meters Far Away (Affected By Ambient Temperature and Light) Video Format: MP4（H.264） Video Size/Frame Rate: 1080P/15fps Recording Method: 1. Motion Detection Recording; 2. Press Key to Trigger Recording; 3. Preview Recording Recording Video Duration: 1. When the Motion Detection Is Activated or the Doorbell Is Pressed for a Visitor the Doorbell Will Automatically Enter the Sleep Mode After 15 Seconds Of Video Recording At the Same Time. After Entering the Sleep Mode, Start Motion Detection or Press the Doorbell, and Then Record 15 Seconds Of Video; 2. Each Time the Mobile APP Enters the Preview Video, the Duration Is Limited To 3 Minutes. Stop Recording After 3 Minutes. Battery Type: 2 x 18650 Batteries（Not Included） Battery Discharge Time: 2 18650 Batteries Dormant Standby for 2 Months (Not Included);Recording 10 15 Second Videos Per Day Can Last 40 Days Network protocol: TCP/IP,HTTP,TCP,UDP,,DHCP,DNS,DDNS,NTP,RTP，P2P,etc. WIFI Connection: 2.4GHz Wifi, Support (802.11 b/g/n) Dingdong: Support RF 433MHz Dingdong Memory: Support Cloud Storage Function (The Hardware Does not Have Memory Card Function Temporarily);7 Day Cycle, Coud Storage is Required to Pay (Skycloud Storage will be Automatically Deleted on the 8th Day) Working voltage: 3.7V Working Current:Sarting Working Current 300mA (Milliamps), Sleep Standby Current 140μA (Microamps) USB Charging Voltage:DC5V / 1. Storage Temperature (℃):（0℃～50℃） Operating Temperature (℃): Working Temperature: -10～50℃, Working Humidity <95% Wake Up Method: 1. Doorbell Button Wake Up 2. PIR Detection Wake Up, 3. Mobile Phone Active Wake Up APP Access Doorbell Rules:1 Main Account + 8 Sharing Accounts = 9 Users Can Connect To the Doorbell; Only 3 Users Can Preview the Screen At the Same Time At a Time and Only One User Can Talk To the Doorbell At a Time Purpose: Guests Can Make Video and Voice Calls When Visiting and Make Short Term Video Recording, So That the Owner Can Know the Information Of the Visitor Without Opening the Door Features: Wireless Connection Ultra Low Power Consumption, Remote Active Wake Up, Support for Multiple Accounts To Watch Online At the Same Time 1 x Wireless Doorbell 1 x Manual 1 x Double Sided Tape 6 x Screw 4 x Screw Rubber Sleeve