Feature: 1. 2.0MP HIGH RESOLUTION NIGHT MONITORING: 2.0MP HD outdoor camera with a viewing angle of 60°~110° allow you to see each scene clearly. 1080P HD quality allow you to see clearly even at night. All aspect of family safety 2. ACTIVITY DETECTION AND ALARM: Video intercom doorbell has reliable activity detection technology that accurately identify people moving, objects moving or other emergencies and alert customers in a timely manner. In this way, customers can receive the doorbell anytime and anywhere to ensure that they have a timely response to the situation outside the door 3. CLEAR DISPLAY: Video door phone intercom with 110° ultra wide angle to view more details, bring more clear one click remote calls, convenient and fast 4. REMOTE CONTROL: The video doorbell should have remote access and control functions, allowing users to remotely view outside the door through a mobile app, talk to visitors, and even open or close the lock. In this way, customers can easily manage their home security anytime, anywhere 5. GOOD FLEXIBILITY: The video intercom doorbell system support a maximum of two outdoor units and six indoor units to cooperate with each other, without adding any relay equipment, saving costs. On this basis, two camera access functions are reserved, which is convenient for customers to use in multiple scenarios Specification: Item Type: Video Intercom Doorbell Material: ABS and high hardness acrylic panel Indoor Unit: Resolution: 1024x600 Ringtone: 12 Operating Method: Mechanical button Operating Distance: Approx. 150meter / 492.1ft Cable Type: RVV4 Working Temperature: -20-+60℃ Maximum Combination: 2 Door cameras, 2 analog cameras, 6 indoor units Installation Method: Wall mount Outdoor Unit: Camera: AHD HD 2.0MP, 1/2.9in CMOS, 2.8MM 1080P Photosensitivity: 0.001lx Night Viewing: 6xLED Night Viewing Distance: Approx. 3meter / 9.8ft Camera Angle: 110° Call Method: Mechanical button Operating Temperature: -40-+60℃ Rainproof: Rainproof cover Cable Type: RVV4 Installation Method: Wall or corner mount Power Supply: By indoor unit Unlocking Method: By indoor unit Unlock Signal: Relay signal(normally open, normally closed) output . Package List: 1 x Outdoor Unit 1 x Indoor Unit 1 x Mounting Plate 1 x Adapter 1 x Test Wire 2 x Cables 4 x Wall Plugs 4 x Screws 1 x Adjustment Plate 1 x User Manual