Compatibility This control switch is compatible with a variety of battery voltages, including 2 V, 3.7 V, 4 V, 11.1 V and 12 V. It provides charging and control options for batteries. Efficient charging and control The circuit automatically charges the battery during the day and activates the lights at night. It also turns the lights off at dawn. It regulates the output voltage directly by detecting voltage changes from the solar panel, without requiring additional components. Construction Made from high-quality materials, this control switch offers durability and reliable performance for long-term use. Ease of use and portability With its simple design, this control switch is easy to operate and portable, making it suitable for a range of applications. Use scenarios - Solar garden and outdoor lighting: automate lights for pathways, gardens, or entryways with day-night control and look-and-feel reliability. - Off-grid applications: suitable for remote cabins, sheds, or small solar-powered systems where automatic charging and lighting are needed without extra wiring. - Portable solar setups: ideal for camping, RVs, boats, or portable power stations where a compact, dependable controller is required.