Features <code>The product does not contain batteries�_��_��_�</code>_�Low-power WIFI video doorbell _�720P, 166�� wide-angle lens _�Support PIR motion detection, message push mobile phone _�Support Wi-Fi 2.4 GHz, IEEE 802.11b/g/n _� Support button wake-up, PIR detection wake-up, mobile phone active wake-up _�Two-way intercom, comes back? 9? 1 tone elimination _�Support 8-32G micro sd card _�Low power consumption 2 * 18650 lithium battery _� 2 18650 batteries (15 wakes up every day, 15 seconds each time, can be used for 6~8 months)<img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/20190329/3050488452084.png">

Smart home video doorbell