Product Features 1. Silent submersible pump Save electricity and low voltage Environmental protection and safety 2. High quality shaft, durable and anti-corrosion, long service life, high power 3. Quiet and comfortable Only the sound of running water is heard Optimize each component to reduce noise 4. Efficient and powerful Small power and large flow 5. 4 powerful suction cups Strong suction force Ageing resistant Firm fixation 6. Intelligent chip control water shortage power off, permanent anti-dry burning 7. The two ends of the pump body can be dismantled to clean up any residual debris inside. Product parameters Product name: Silent brushless submersible pump Model: DR-DC160 Dimension: 46(L)x43(W)x43(H)mm Load current: 280mA Maximum head: 50cm Water inlet diameter: None Continuous working life: >10000 hours Waterproof: 100% submersible use IP68 Switch Control: None Operating voltage: DC5V Load power: 1.5W Maximum flow rate: 160L/H Outlet diameter: 10.5mm Noise: 40DB Cable length: 150cm with DC5.5*2.1 plug Temperature resistance: 0-60C/0-100C Package I: without LED indicator Water shortage automatic power off: no Set II: with LED indicator LED: blue Automatic power-off without water: no Set three: without LED indicator LED: water shortage automatic power-off: yes Set four: LED indicator LED : red, blue double lack of water automatic power off : yes Shipping List 1X USB water pump