Monitor your doorstep with this smart, high-definition wireless intercom system. Specifications Display Screen: 10.92 cm Power Supply: DC5V/2A Audio: Built-in speaker and microphone Humidity: 10%-90% SD Card Support: Up to 256GB WIFI Mode: 2.4G Visual Angle: 70° Night Vision: Infrared 850nm Operating Temperature: -10°C to 60°C Wireless Range: 100m (open), 20m (obstructed) Battery Capacity: 800mAh (up to 2 months standby) Packing List 1 x Wireless Doorbell 1 x Display 1 x Charging Cable 1 x User Manual 1 x Large Base Plate 1 x Small Base Plate 1 x Large Back Sticker 1 x Small Back Sticker 1 x Screw Set Benefits Clear HD video with 4.3-inch IPS screen Real-time two-way communication with visitors Excellent night vision for low-light conditions Easy wireless installation, no need for professional help Supports large video storage with SD card up to 256GB Description The NNEOBA 4.3" Wireless Visual Intercom Doorbell allows you to see and communicate with visitors from anywhere using your mobile device. Equipped with a high-definition screen, this doorbell features infrared night vision and a 70-degree viewing angle to ensure you never miss a visitor, day or night. With long-lasting battery life and easy installation, this smart doorbell is the perfect security addition for any home, offering both convenience and peace of mind.