✔✔✔【RECHARGEABLE BATTERY & 2.4GHZ WIFI CONNECTION】☑☑☑ The camera hd wifi doorbell has ac input, 3pcs 18650 specification battery, longer battery life, dependable to use. Meanwhile, the video doorbell has 2.4g wifi connection, easy and convenient for using and ✔✔✔【VIDEO TALK BACK】☑☑☑ The video doorbell has two way communication, with noise cancellation function, practical to use. Meanwhile, the high definition camera is equipped with a 166 degree wide angle, provides clear and wider view. ✔✔✔【NIGHT VISION】☑☑☑ The day and night mode automatically switch, no matter day or night, the image is clear enough. And, you can check suspicious activity at any time even if you’re working at the office, shopping at the mall, or traveling far away on vacation. ✔✔✔【SMART PIR MOTION DETECTION & ALERTS】☑☑☑ The wireless wifi video doorbell camera supports mobile phone remote control, quickly wake up the device within 1 second. And, it supports pir motion detection, when someone hovers in the doorway, it will push notification of alarm to the phone. ✔✔✔【100% WARRANTY】☑☑☑ We promises every customer a shopping satisfaction, feel free to reach us if you have any questions about your purchase. We will give you a professional and detailed reply within 24 hours. Click to buy now!, Manufacturer: needlid