Rechargeable Outdoor Pump - Water Pump & Air Pump with LED Light - Portable Water Supply & Drainage for Fishing, Aquariums, Camping, etc. Sensor & Switch Included - New Integrated Design. ********************************* Note: Minor scratches may be present due to import. ********************************* Discharge Volume: 3L/Min Drainage Volume: 1.0L/Min Body Size: 12*7*4.5cm Body Weight: 210g Head: 240cm 【Water Pump Function】Features two operating modes: sensor and manual. Hold the drain switch for 3 seconds to switch between manual/sensor modes. 【Air Pump Function】Connect the hose to the drain/exhaust port to use as an air pump. Useful for increasing dissolved oxygen in aquariums, live bait tanks, etc. 【Lighting & Filtration Function】Includes 3 LED lights, useful for night fishing. Triple filtration with a pump filter + pebbles + metal net to purify water. 【Three Mounting Methods】This product can be fixed in three ways: hook, snap, and tripod mounting. It has a universal 6mm screw hole, allowing it to be attached to a tripod/fishing rod. 【Three-Layer Filtration】The first layer uses a black filter to prevent large debris. The second layer uses white filter beads to remove many impurities in the water. The third layer is a wire mesh for deeper filtration. This filter mode provides relatively clean water. Provides oxygen to a wide range of fish, from freshwater to saltwater and edible fish.