[720P FHD Image and Clear Night Vision] The 300,000 pixel sensor video doorbell adopts full glass lens with HDR and distortion correction, which can present you 720P Full HD video with 125 viewing angle. The doorbell camera equipped with infrared sensor and LED will automatically switch the light to ensure a clear image at night, ensuring your 24/7 security. [Battery Powered, Up to 6 Months Standby Time] This HMB1 doorbell camera supports wireless installation, can install 4 AAA dry batteries, and provides up to 6 months standby time. [3x Digital Zoom Detection and Instant Message Alert] The 300,000 pixel camera doorbell is equipped with PIR motion sensor and human detection function. detection distance and sensitivity (low/high) can be adjusted according to your preference, so you won't miss any important information. [Snapshot or Auto Video] When the visitor appears on the doorbell or triggers the motion detection, it supports recording infrared night vision photos in the air on the doorbell. The card must be a bell. Video on your smartphone at any time. [2.8 inch LCD Screen and Mini Doorbell] 2.8 inch high-definition TPS screen, slim design, key operation, hands-free Outdoor doorbell, built-in infrared sensor and 1200TVL camera, 100o wide angle, night vision, rain, dust and vandalism. 1. 2.8 inch HD TPS screen 22300 pixels sensor 3. Mobile phone ringtones can be selected with 3.125 degree wide angle lens 4. Infrared night vision, helpful for taking photos and videos by pressing the doorbell 5. Maximum support 32G TF memory card; 6. Power supply mode: 4 AAA dry batteries 7. Hole diameter: 14-35MM, door thickness: 35-100MM outdoor unit size 65 x 65MM indoor unit size 111 x 74 x 20MM Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.