The Aqara Security Bundle 3 includes the G2H Pro Camera Hub and 3 Door & Window Sensors. The Aqara Camera Hub G2H Pro is an intelligent product that integrates the dual functions of camera and smart hub, and is easily powered by the included Micro-USB cable. It has functions such as video intercom, motion detection, sound detection, MicroSD card recording, NAS storage, timelapse, privacy area covering and more. It can also be used as a Zigbee hub in collaboration with other sensors, such as those included, to realise the functions such as home guard, data reporting, and smart control. It also supports HomeKit Secure Video. The included Door & Windows sensors are designed to detect door and window opening events for enhanced home security and peace of mind, and have a battery life of up to 2 years with the included CR1632 battery. Utilising the hubs alarm function, this can be programmed to alert with the built-in siren and mobile notifications. Bundle Includes: G2H Pro Camera, 3 x Door & Window Sensor