Features: Material: ABS Rated voltage: DC3V or 4.5V (3-6V can work) It is recommended not to exceed the rated voltage during use. Rated no-load current: less than 0.05A Unloaded flow rate: 100L/H Lift: 0.35 meters at 3V, 0.5 meters at 4.5V Rated load current: 0.18A Usage: Submersible type Noise: Maximum 40 dB (background noise 35 dB, measured at less than 0.5 m) Compatible fluids: Tap water, groundwater, seawater Water temperature range: -20C to 50C Ambient humidity range: 45% to 90% Continuous operating life: Over 10 hours Motor type: Brushed motor Motor specifications: 4.7V, 7200rpm Internal pipe diameter: 6mm (0.24 inches) Power cord length: 15cm (5.91 inches) Dimensions: 45 x 32 x 23mm (1.77 x 1.26 x 0.91 inches) Weight: 30g Package includes: 5 x DC 3-6V low-noise brushed motor water pumps Compact design ensures easy installation and space-saving integration. Efficient and economical water pump ideal for small-scale liquid transfer applications. Low power consumption helps reduce energy usage. Constructed from high-quality materials for durable, stable operation with low noise and high efficiency. Suitable for a wide range of applications including small fountains, aquariums, small fish ponds, and solar-powered water circulation systems.