When rains, the pool is filled up with water and you need to pump the water out to avoid mosquito,or use it as an emergency sump pump for your basement,or use it on a boat.Like all of these types of pumps you need to make sure gunk does not clog the pump. Small size and light weight.Decent GPH for such a small unit. 1100GPH 12V capability makes it versatile.Internal float switch. Saves your money.

Compact, automatic, fully submersible electric pump
Built-in float switch! (No separate float switch is needed)
Equipped with built in electronic controlled reed sensor system for easy fully automatic operation
No power use until pump is activated by internal float switch (when water level rises)
Compact, efficient, long life motor
Rustproof and corrosion resistant
Stainless steel shaft
High-impact durable plastic housing
Quick release strainer for easy maintenance
Extremely efficient, very low current
draw and offer high capacity output
Water cooled long-life motors
Ignition protection to protect the pump against high current
Water/moisture tight seals
Silent and vibrationless operation
Anti-airlock protection
Will not burn out when run dry
Integrated float switch TEST button at rear of unit
Can be used with switch panel for manual override
Includes comprehensive user manual with installation instructions and wiring diagram