Storage: iCloud (HomeKit Secure Video), MicroSD card (up to 128G) Resolution: 1080p@30pfs and 720p@30fps (multiple live streamings) CMOS Sensor: Sony IMX Starlight sensor, 2M pixels Wi-Fi: 5GHz and 2.4GHz, 802.11 b/g/n/ac Lens FOV: 134° Night version: Auto IR Cut, supreme quality supreme quality 2-Way Audio Adapter: Input 100-240VAC, 50/60Hz, 0.2A; Output 5.0VDC, 1.2A, Type C Dimensions (W x D x H): 4.4 x 3.4 x 3.1 inch (112 x 87 x 80mm) Certifications: FCC, CE, ROHS