3.7V lithium battery input, 6V solar control board charging, realize light control + time control + automatic down + morning light function. Maximum output current 5A. can be set according to customer's requirement of . Can be used for lawn lights, household lighting and alarm systems, etc. Multi-range use. Once installed, no electrical energy is required. It is a very good clean energy systemThis control board is only applicable to lithium battery 3.7V voltage use, and the battery does not need to add a protection board because the controller already has a protection circuitMaterial: PCBColor as shownPackage Contents:1 x 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.