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 20,000 hours). Wide temperature resistance range from 0 to 100 Celsus Degree. Specification: Size: 106 x 38 x 33mm / 4.17 x 1.5 x 1.3 inch Pump material: ABS Working temperature: -20 - 60?. Power consumption: 3.6W. Rated voltage: 12V DC Max Flow Rate: 600L/H. Noise: