The item can't work properly. 1 User manual. 1 3.7V 250mAh battery. Battery: 3.7V 250mAh lithium-ion battery (included). Motor: Mini brushed motor.
6Ch Rc Boat Submarine with Camera Underwater Remote Control Wifi Fpv Remote Cont
Mini WiFi FPV Underwater Remote Control Boat, Submarine with Camera for Video
Boat Submarine with Camera, Underwater Remote Control, WiFi FPV RC Drone Ship
