Description: Item type: Brushless Pump Maximum head :3 m (QR50L) Flow head adjustment function :4 regulation band memory Impeller structure: semi-open impeller Working voltage :DC12V, USB 5V Suction diameter :8mm Noise: 37 db Power cord length :150CM Overall dimensions :54(L)x37(W)x42(H)mm Discharge diameter :8.5mm Impeller suction: single suction Product weight :100g Service life :20000 hours Waterproof performance :100% IP68 for diving Heat resistance: 0-60 ℃ Maximum flow :300L/H Load power: 4.8w QR50L Product material :PC+ABS Package includes: 1 * Brushless Pump Notes: The colors deviation might differ due to different monitor settings. Note: - Please allow minor errors due to manual measurement. Thanks for your understanding. - Monitors are not calibrated same, item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard.