Description: * brand new and high quality *Made of high quality material, durable and practical to use *Rechargeable Live Bait Aerator Pump Fishing Tank Oxygenator Single/Double Tube *This high quality live bait aerator pump is a self contained air pump, designed to keep your live bait alive when out fishing, or for use in case of aquarium electricity power failure *Note: Pump motor is not waterproof and should not be exposed to external water contact Charging voltage: 5V Battery voltage: 3.7V-4.2V Battery capacity: 1500mAh/2200mAh Motor power: 2W/4W Output Airflow: 2L/Min，4L/Min Charging time: 8 hours Battery life: 15 hours Power Mode: AC/DC Outer diameter of air hole: 4mm Suitable for fish tank: 15-20L/30-35L Line length: 82cm Specification: *Material: ABS *Color: White (As Pictures Show) *Size: About 130x72x35mm *Weight: About 228g/325g Package Includes: 1 x Live Bait Aerator Pump 1/2 x Air Stone 1 x USB 1/2 x Tube Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Brand new and high quality. Convenient to use. Durable and practical. Made of high quality material, durable and practical to use. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data.