视频电话

Using a video door phone is a simple and effective to improve security in your home. It can also add a lot of convenience to your day as you can check on deliveries as they arrive, for example, and communicate directly with the delivery person. A video door phone can be purchased directly from wholesalers at Tradechina.com. With lots of options available at every price point, there is something available for every house and home. Check out the wholesale options available and protect your home today. Shop for a smart doorbell at a favorable price-point from Tradechina.com suppliers on Tradechina.com. Find various types of ring bells to fit your needs. A smart bell features a two-way audio intercom, a video camera, a motion sensor, and an infrared light for night vision. Choose from different power sources, including double-A batteries, lithium batteries. and are replacement toies in one. It is advisable to buy a video door phone from global wholesalers. Browse the extensive range of products on offer to find your perfect fit. A video door phone comes with PIR motion sensors that alert you when a person approaches. Some solutions also send the alert to your smartphone, while others use flashing lights to notify you. A video door phone can use power from a rechargeable lithium battery, small size dry cells, or electricity. Some tools have both AC and DC power input. Battery life can last several months, depending on how often the camera turns on. The camera turns on when the motion sensor detects a moving object. It also turns on when someone presses the doorbell. Some bell solutions store recorded videos in TF cards ranging from 8GB to 128GB, while others are capable of using cloud storage.