The solar string light circuit board can be used for 100LED solar string lights, solar string lights, solar copper wire string lights, solar road studs and other lighting control.Comes with a switch and a light mode switchIt can be connected to 1.2V Ni-MH battery and 2V solar panel. The maximum withstand charging current is 400ma. The discharge current is 100ma.Introduction to mode switching:1: 2-8 function cycle2: The stars flash3: pair flash4: One way fades out5: Single flash 4 times, pair flash 4 times6: All fade in and fade out7: Single flash 4 times8: All Model Number:1.2V Solar Lamp String Control Boardcolor:GreenMaterial:plasticPackage Contents:1 x Solar Lamp String Control BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.