High performance 20w dc fan 3nos 3W power led Elegant design with mini tube light look. 6 Hours of charging in bright sunlight. Duration: 12 hrs with 1 light, 9 hrs with 2 lights, 6 hrs with 3 lights. One light enough for a 11’x 11’ room. No-Glare diffuser to prevent eye strain. Built in 5V mobile charger output. battery protection. Over charging protection.