[(Built-in battery)] - XDWIFI Pro wireless camera with built-in lithium battery, outdoor continuous power supply for about 1.5 hours. USB port can be connected to USB devices such as mobile power, USB plug, etc. for unlimited power supply.; [(Can't get any smaller)] - XDWIFI Pro is the latest design for 2023. The camera is only the size of a coin, size: 1.57X 1.18X 0.5 in, easy to carry, you can remotely view the live video of the app from anywhere in the world. As a security camera, keep a close eye on your home or office.; [ (Upgrade night vision) ] - XDWIFI Pro biggest feature is night vision, using two 940nm infrared lights, night vision distance up to 26ft, so you can see very clearly in a low light environment, or even in total darkness, the infrared light is not glowing. Therefore, suitable for installation indoors, outdoors, companies, parking lots and other places to protect your safety.; [ (Enhanced Motion Detection Technology) ] - XDWIFI Pro camera has intelligent motio