Feature: 1. Outdoor solar panels can effectively convert sunlight into electricity. 2. Keep the air clean, which can help you eliminate the smell of pets. 3. There is no rechargeable battery in the fan, and it is equipped with a mobile power adapter cable. If you need the fan to work at night, you can use a power bank. 4. When the sun is strong, the fan runs quickly, and when the sun is insufficient, the fan will run at a low speed or even not run. Cheap free energy is very beneficial. Application: Used indoors and outdoors. Suitable for greenhouses, dog houses, chicken houses, pet houses, tree houses, RVs, homes, camping, etc. In addition to being used as a cooling fan, the solar panel can also be used as a power bank. It can be hung on the school bag when camping, it is convenient to carry, and the equipment can be charged at any time. Features: The conversion rate is 23-24%, Voltage: 5V Maximum power supply voltage: 6V Short circuit current: 2A Junction box: IP67 Working temperature: -40℃+85℃. Maximum power: 5W Open circuit voltage: 10V Size: 180*155*20mm Packing size: 215*205*30mm Use of cables Make sure the connector is plugged in tightly. Place them under direct sunlight and observe whether the red light is on (please make sure that the solar panel is facing upwards and can receive sunlight).