rubber suckers can be installed vertically or horizontally. [Strainer] The water pump with a filter avoiding blocking the inlet. Detachable design providing convenience for cleaning work. [Low Noise] Super quiet operation, safety, and durable. Great use in aquarium, fountains, spout, and hydroponic. [Easy to Disassemble] For using it better, we suggest that dismantled and cleaned the submersible pump regularly. Specifications: Mode: Type 1;Type 2;Type 3;Type 4 (Optional) Type 1(Water Pump & Strainer): Power: DC 12V, 7.5W Static flow rate: 600L/H Static lift: 300cm / 9.84ft Type 2(Water Pump & Strainer & 1/2" Connector): Power: DC 12V, 7.5W Static flow rate: 600L/H Static lift: 300cm / 9.84ft Type 3(Water Pump & Strainer & 1/2" Connector): Power: DC 12V, 15W Static flow rate: 800L/H Static lift: 500cm / 16.4ft Safe Mode: Automatic stop in 1 min if without water Type 4(Water Pump & Strainer & 1/2" Connector): Power: DC 24V, 16W Static flow rate: 800L/H Static lift: 500cm / 16.4ft Safe