Our house is quite old and the baby's room only has one double plug socket, in order to get best use of the space, the cot won't be near to the sockets. I've been looking for a video baby monitor with a rechargeable camera unit, plenty have battery operated parent units or app compatibility but I'm struggling to find a decent reliable model with a rechargeable camera unit. Any recommendations very much appreciated. The house is quite big and walls are thick so I don't want to go without a monitor.