Specifications: High quality material made, easy to install. Safe protection to ensure no leakage. MUC control power saving circuit design. Supports mini size, PWM tested. Item Name: PC Mini Water Pump Maximum Flow: 500L/h Maximum lift: 3.5 Meters Maximum current: 0.5A Working Temperature: -10 to 55 Degree Celsius Feed Throat: Small 4 Needles Connector Test Speed: PMW Water Tanks: Not Included Connector Tube: G1/4 Line Water Input: G1/4 Line Working Noise: 25 Decibels Service Life: 50,000 Kilograms Bearing: All Ceramic Bearings Circuit: 3-Phase Brushless DC Circuit to Control MCU Features: Durable, Easy Installation, Silent Working, PC Parts Size: 6.2cm x 6.2cm x 3.5cm/2.44inch; x 2.44inch; x 1.38inch; (Approx.) Notes: Due to the light and screen setting difference, the item 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x PC Mini Water Pump