Beaba Zen Premium smart video baby monitor with 360 degree rotation so you can keep an eye on your baby using the dedicated mobile application. Unlimited number of cameras can be connected to the application: can be used anywhere via WIFI ,Possibility of connecting up to two cameras on the parent unit, with split screen (additional camera available as spare part) : available only on version 2,Cloud service: subscription option for recording baby and viewing videos at any time, Range up to 300 meters outdoors, 50 meters indoors, Wireless, rechargeable parent unit with non-removable Lithium battery. Supplied with 1 x 5V power adapter (USB C port),8 hours autonomy, Child unit, plugged in during use, supplied with 5V power adapter (USB C port).