Eufy T82101W1. Product colour: Black, Best uses: Home, International Protection (IP) code: IP65. Maximum video resolution: 2560 x 1920 pixels, Image sensor size: 1/2.8", Field of view: 160°. Connectivity technology: Wireless, Frequency: 2402 MHz. Power source type: Battery, Battery type: Built-in battery, Battery capacity: 6500 mAh. Bell width: 5.4 cm, Bell depth: 2.8 cm, Bell height: 14 cm