Feature: 1. Oxygen Supply: This air pump can provide your aquarium with stable and sufficient oxygen supply for your lovely fish tank. 2. Efficient Use: Comes with 1200ML/min maximum airflow and 12KPa maximum pressure, the pump ensures high working efficiency. 3. Broad Utility: Allows for wide application in aquariums, fish tanks, emergency oxygenation during power outages and so on. 4 Working Modes: 15 hours of continuous as well as 10s on and 10s off intermittent oxygen supply for 48 hours when fully charged. Specification: Item Type: Solar Air Pump Item Model: MX101 Solar Panel Power: 5V 1.8W Battery Capacity: 3.7V 2600mAh lithium battery, shipped with built in battery. Air Pump Type: DC Micro Air Pump Rated Voltage: 3.0V Noise: Less Than 60dB Maximum Airflow: 1200ML/min Maximum Air Pressure: 12KPa Operating Mode: 1. Continuous Oxygen Supply Mode: 15 hours of work with full power. 2. Intermittent Oxygen Supply Mode: On for 10 seconds and stop for 10 seconds. The working time is 48 hours when fully charged. Charging Method: 1. Solar Panel Charging Time: 10H 2. 1A USB Charging Time: 5H Package List: 1 x Solar Air Pump 1 x Hose 1 x Air Stone 1 x Solar Panel 1 x Charging Cable 1 x User Manual 1 x Accessory Note: This product is a solar product, and the charging speed is related to the sunlight. Regularly neating the dirt on the solar cell can improve the charging efficiency.