1.400MM fan blades;build in 21 pcs high power led.
2. 2 maintenance free lead-acid batteries;6V4Ah*2; 3 level controller;1250RPM;
3.it can work 3 ~5hrs after charged,Case Material:PP+ Rai+Surface Treatment
4.it can also charge the battery while the fanner working with AC,the light will be twinkling when it's being charged,while the light will become off when it's fully charged.
5.solar panel:5W, the battery will be fully charged after being charged for12-18 hours by solar panel.