DescriptionReport Item4.3-inch LCD color screenApplicable to all regions in the world with one-click viewing without storage to protect privacy. - Even kids and elderly people can see who is outdoorThe doorbell rang, The screen automatically shows the situation outside the door. Megapixel: With a profeional security camera, giving you a great visual experience. Equipped with a super low-light night vision function, which is automatically turned on at night, and you can see clearly at night without lights. Super energy-saving power management technology, extended endurance, more worry free Side replacement of battery, more scientific and convenient Mute switch One click mute function, convenient and fast. Advantages: - 4.3 inch big color screen, even kids can see who i outdoor - Bright LED for night viewing 16 tones to choose Battery powered, easy install and use - With do not disturb button / switch - Super power save Application: Home, office, hotel Specifications: - Camera Resolution: 1,000,000 pixels / 120 degre3 - Door thickne: 35-110 mm - Peephole diameter: 15-50 mm - Power: 4 x AA battery (not included), please use brand Alkaline battery (very important) - Dimensions (Lx W x H): 133 83 x 23 mm (screen) - Color: Black, White, Gold optional - 12 months guarantee Notes: - If your door thickne is more than 11 cm, please not order. The max length of the included screws i 11 cm) - Please check the connect cable plug carefully, not connect in wrong side - Not support photo or video record Please use brand Alkaline battery