ITEM NAME:Black Mini DC 24V 900L/H Ultra Quiet Brushless Motor Submersible Pool Pump Description: Brushless, permanent magnetic rotor, maintenance-free. Stator and circuit board sealed by epoxy resin. Amphibious design. Enclosed with static sealing, not dynamic, which can avoid leaking problems. Submersible installation and entirely waterproof. Low consumption; low noise(less than35db). Super long working life(more than 30,000 hours). Wide temperature resistance range from 0 to 60?. Used in Aquarium, car cooling, humidifier, air.Brushless, permanent magnetic rotor, maintenance-free. Stator and circuit board sealed by epoxy resin. Low consumption; low noise(less than35db). 1 Piece 12V DC Brushless Water Pump. Super long working life(more than 30,000 hours).