Corui Wireless Smart Video Doorbell Digital Visual Intercom WIFI Remote Home Alarm Door Bell Waterproof Security Camera Monitor<br> Specifications<br> Sensor: 720p GC1054 CMOS sensor<br> Lens: 120° wide-angle lens<br> Night vision: automatic switching of dual filters, 6 high-power infrared lights of 850nmΦ28Mil<br> Night vision distance: 5 meters is the best, the longest distance is 20 meters<br> Motion detection: PIR motion detection, the sensitivity can be adjusted to detect the distance (triggered immediately within the effective distance), the best 2 meters, the longest 4 meters (affected by ambient temperature and light)<br> Humanoid Recognition: It will automatically record when a humanoid is detected (if no humanoid is detected, it will automatically enter the sleep state)<br> Video size/frame rate 720P/20fps<br> Battery type/capacity: 18650 cells 2600mAH*2=5200mAH (battery not included)<br> Battery discharge time: two 18650 batteries<br> Sleep standby: 2 months, recording 30 15-second videos every day can last for 45 days<br> WIFI connection: 2.4GHz wifi, support (802.11 b/g/n)<br> Working voltage: 3.7V 18650 lithium battery<br> Working current: working current 250mA (mA), sleep standby current 0.8mA (mA)<br> USB charging voltage: DC 5V / 1.5A<br> AC power supply/charging: External AC 12-24V<br> Storage temperature (): 050<br> Operating temperature () Operating temperature: -1070<br> Working humidity: <95%<br> Specifications:<br> Features:<br> - Long-distance signal transmission, no need to open the door to know visiting information. It can support support for multiple accounts to watch online at the same time<br> - When someone press the doorbell and the indoor wireless doorbell will show you the melodies music.<br> - Smart and convenient doorbell: WIFI connection, no wires, realize two-way intercom between the doorbell and mobile phone. Real-time mobile phone supports two-way calls, photos and recordings, making it easy for relatives.<br> - With infrared night vision, automatic opening at night, all the details in front of the door, reliable and practical. Wireless connection, ultra-low power consumption, can support multiple accounts to view online at the same time<br> - This wireless doorbell camera is easy to install without any complicated tools.The doorbell can be controlled by APP, automatic working mode, smart and portable.<br> - When guests visit, they can