General description The 5V HJ-111 Water Pump is a submersible, ultra-quiet pump designed for use in fish tanks and other household applications. Its multifunctional design makes it ideal for circulating water and maintaining a healthy environment for aquatic life. Technical specifications Power: 2W Voltage: 5V Head: 0.45M Flow Rate: 150L/h Colour: White Material: Plastic Size: 4 x 4 cm Weight: Approximately 71g Package Contents 1 x Water pump 1 x Oxygen regulating valve Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.