Electronic Cat's Eye Doorbell Key Features: High-Quality Display: Enjoy clear visuals with a 2.8 inch TFT LCD display. Night Vision Capability: Equipped with infrared night vision for enhanced security at night. Doorbell and Camera Integration: Features a Dingdong doorbell with camera function. Ample Storage: Built-in memory with cyclic storage; no external card required. Intuitive Design: Minimalist design ensuring ease of operation. Professional Grade Camera: 300,000 professional security HD cameras for optimal security. Wide Viewing Angle: Covers a wide area with a 90-degree field of view. Extended Standby Time: Long standby duration to suit your needs. Versatile Compatibility: Supports door thicknesses from 35-110MM. Adjustable Fit: Compatible with door hole diameters from 14-30MM. Package Includes: 1 x Electronic Cat's Eye Doorbell