A base for a mobile surveillance device includes a base body having a room for receiving a battery and an equipment unit therein. Multiple first wheels are connected to the underside of the base body. A top assembly is located on a top of the base body and includes a first cover and a second cover. A ventilation zone is formed between the first and second covers. A fan is located in the ventilation zone so as to ventilate the room and the ventilation zone. A first tube has the first end thereof extending through the first and second covers, and is inserted into the room. A second tube is retractably inserted into the second end of the first tube and has cameras attached thereto. Multiple solar panels are connected to the top assembly to provide power to the battery and the cameras.