Touch Key Screen Video Door Phone Intercom Access Control System. Features: 2.4GHz Wireless Door Phone: 2.4GHz Digital Frequency Hopping and Encryption Technology, Transmission Distance Up to 300 Meters in Open Area and Stable Signal, Robust Anti-interference. 1 Indoor Monitor&1 Outdoor Camera: 7 Inch Digital TFT Color Screen, Indoor Monitor Can Store Up to 100 Pictures with Date and Time, a Super Experience. This is a Video Door Phone with the Functions of Monitor, Wireless Unlocking, Hands-free Call and Talk. Brightness and Talk Volume Are Both Adjustable, a Selection of 16 Ring Tones Are Included. For the Outdoor Camera, Clear Night Vision Can Capture Image in Low-illumination Environment, with Rain Cover for the Outdoor Camera is Available, Very Practical for Using. For the Indoor Monitor, with High-strength Tempered Glass, Corrosion and Scratch Resistance, All That Provides Longer Working Life. The Indoor Monitor and Outdoor Camera Are Both Built-in Rechargeable Li-ion Battery (3.7V 2000mAh), Which Are Also Easy for Replacing. Specifications: Connection Method: Wireless Certification: CE Certification: FCC Certification: RoHS Answering Mode: Hands-free Camera Sensor Type: CMOS Display Size: 4.3 Display Screen Type: Color Material: Tempering Glass Viewing Angle (): 90 Size: 226*135*23mm (Monitor) Plug Type: EU Plug Plug Type: US Plug Plug Type: AU Plug Plug Type: UK Plug Power: DC5V Model Number: M712C01 IP Camera Interface: No Zone Input: 4 Samrt Home Interface: No Kit Configuration: One to One Video Doorphone Installation: Wall Mounting Resolution: > 420 TV Line Doorbell: Yes Access Control: Inductive Card Sensor Size(Inch): 1/3 Technology: DIGITAL Camera: Color Type: Intercom System Power: 220v Connection Type: Wireless Waterproof: Yes Access Control: Open the Lock from Screen Battery: 1*3.7V 2000mAh Li-ion Battery(included) Touch : YES Ringtone: 16 Optional Brightness/talk Volume: Adjustable Material: ABS&Glass Panel Quantity: 1 Pack Monitor Size: 22.5*13.5*2cm Monitor Weight(with Battery): 455g Note:The Doorbell and Indoor Monitor Can Standby for 15 Days Powered by Li-ion Battery when They Are Not Connected to the Power Source. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.