... distance: < 30m: DC12v storage pool electricity pressure electric: 12V 7AHPower supply: battery power supply, 220V power supply, safe and reliable. The ... standard configuration: host a, two remote controls, smart charger, battery a, a product description, a mounting screw four, a manual ... can be folded upward to repair, and to take the battery more convenient, down to the lowest, resistance is stronger ...