CAMERA Image Sensor1/2.9” Progressive Scan CMOS Starlight Sensor LensFocal Length: 2.45mm Aperture: 2.0 Field of View: 140°(Diagonal), 120°(Horizontal), 67°(Vertical) Motion Range / Night Vision 850 nm IR LED (30 ft / 9 m) 940 nm IR LED (30 ft / 9 m) Lighting / Interface & Button 1× RESET Button 1× MicroSD Card Slot (Up to 512 GB) VIDEO & AUDIO Maximum Resolution 2K QHD 4MP (2560 × 1440 px)Frame Rate15/20/25/30 fps (Default 15fps)Digital Zoom12xVideo CompressionH.264Live ViewYesImage Enhancement3D DNR WDR HDRAudio Input & Output Built-in Microphone and SpeakerAudio Communication Two-Way Audio with Noise Cancellation Siren Volume94dB (Level measured at 4-inch/10-cm distance) STORAGE Local Storage MicroSD Card Slot on Camera (Up to 512 GB) General Information about using MicroSD Cards >Cloud StorageTapo Care Cloud Storage Services (Subscription required) Physical Privacy Shutter- When enabled, maintains your privacy with the lens blocked by the camera’s shutter. Smart AI Detection and Notification-Smart AI identifies people, pets, and abnormal sounds, notifying users as needed. Freely Install with Magnetic Base - The compact design of Tapo C125 enables users to freely install it with a magnetic base and flexible bracket Dual-IR System - Switch to the 940nm IR LED to watch over your baby without interrupting their sleep. Customizable Sound Alarm - Triggers recorded audio as an alarm when motion is detected.