Features: *HD 720P image quality, support night vision, camera view angle covers 166. *PIR motion sensor+ motion detection, WiFi connection, push alarm to mobile via APP, more safe and accurate. *Support visual intercom, IR night view, TF card record, built-in 8G TF card. *Support 2-way audio communication, answer your door wherever you are. *Support up to 32G TF card storage(not include),built-in 8G TF card. *Support two power modes optional: batteries or USB cable, (Both not included) very convenient. Specifications: Image Sensor: 1/4 CMOS Pixels: 1.0MP megapixels Record Resolution: 720P Frame rate: 25fps Lens: 166 wide-angle IR LED: 6pcs IR Range: 6m WiFi (2.4GHz) Standard: IEEE 802.11 b/g/n TF card storage: Up to 32G TF card storage(not include),built-in 8G TF card Power: Batteries or USB cable(Both not included) Color: Black Material: ABS Temperature: -20~55 C Humidity: 10-95% RH Item Size: Approx.14.3*7.5*3.2cm Item Weight: Approx.186g Package Information: Package Size: Approx.18.6*10.6*8cm/7.32*4.17*3.15in Package Weight: Approx.371g/13.09oz Package List: 1* Doorbell 1* Bag of Mounting Screws 1* User Manual(English)