Product Description Features: 2.4" LCD Visual Monitor: Equipped with a high-quality 300,000 pixels outdoor peephole, providing clear and smooth images superior to traditional doorbells. Digital Electric Peephole: Also known as an electric door-eye, it enhances home security. It consists of a digital camera and display screen for improved accuracy and safety. Easy Installation: DIY installation in just a few minutes. Low Power Reminder: An indicator at the bottom right of the screen lights up when power is low, prompting an immediate battery change for convenience and practicality. Suitable for All: Ideal for elders, children, and individuals with poor eyesight. It operates on low power consumption, requiring just 2 AA batteries (not included) for easy replacement. Specifications: Display: 2.4 inch LCD screen LCD Resolution: 320 x 320 Camera Pixels: 300,000 Peephole Viewing Angle: 150 degrees Door Thickness Compatibility: 3.5-7.0cm / 4.0-6.9cm Power Supply: DC 3V, 2 AA batteries (not included) Host Monitor Material: ABS Peephole Material: Metal Host Size: 13.5 x 9 x 3 cm Host Weight (without batteries): 124g Peephole Size: 4 x 2.6 x 2.6 cm Peephole Weight: 21g Package Information: Package Size: Approximately 16.7 x 9.5 x 4 cm / 6.57 x 3.74 x 1.57 in Package Weight: Approximately 218g / 7.69 oz Package List: 1 Host Monitor 1 Peephole Camera 1 Base 1 Bag of Tightening Tools 1 User Manual (English)