Feature: 1. INDOOR UNIT: Adopting a multi point capacitive touch screen and for Android system, stable and convenient operation. 2. MULTIFUNCTIONAL: 7 inch HD digital LCD display with photo taking, visitor recording, and calendar functions. Equipped with display, hands free unlocking, and non interference functions. 3. SUPPORT FOR 8 USERS: The indoor monitor can support connecting to 8 mobile apps, and the phone can be viewed and unlocked. 4. LARGE DATA CAPACITY: For RFID password types support unlocking with 2000 ID cards, unlocking with 2000 passwords, and unlocking with 10 remote controls. The fingerprint type supports 1000 fingerprints, 1000 ID card unlocking, and password unlocking. 5. EASY INSTALLATION: Comes with mounting accessories, and compact size, this doorbell can be easily installed and be put into use soon. Specification: Item Type: Video Doorbell Camera Material: ABS, Aluminum Alloy Voltage: 100-240V Outdoor Unit: Camera: CMOS 1000TVL LED 3W 850nm IR LED Night Vision Distance: Approx. 3meters / 9.8ft Effective Distance: Approx. 100m / 328.1ft Angle: 92 degrees Indoor Unit: LCD: 7inch TFT 1024x600 Effective Area: 154.08 (H) x86.58 (V) Call Time Delay: 60 ± 10% Memory Card: Supports up to 32G (not included) APP: Supports up to 8 users . Package List: 1 x Outdoor Unit (Camera) 1 x Indoor Unit (Monitor) 1 x Manual 1 x 5 Meter 4 Core Connecting Wire 2 x 4 Core Terminal Wire 1 x 2 Core Terminal Wire 1 x Power Cord 1 x Screw Pack