• 4.5" HD display with anti-pry design
• 2M professional security camera
• 145 degrees wide angle
• Super night vision
• Doorbell undisturbed function
• PIR Motion Detection Body Sensor
• Photographing, audio and video recording, video message function
• 2500mAh high-capacity lithium battery power supply.
• A variety of music ringtones can be selected, and multi-language
• Adjustable ringtone size
• Support up to 32G memory card

Specifications:

• Indoor unit size: approx 135 x 76 x 15.5mm
• Outdoor unit size: approx 62 x 62 x 15mm
• Door hole range: 15-40mm
• Door thickness range: 35-105mm
• LCD screen size: 4.5 inch
• Resolution: 480x854
• Camera pixel: 200W or other configurations
• Li-ion battery: 2500mAh 3.7-4.2V
• Camera Pixel: 1080P