1. No Overcharge and Overdischarge Protection: The solar street light controller board does not come with built-in overcharge and overdischarge protection features. It requires a battery with an protection board for safety during operation. 2. 3.2V LiFePO4 and 3.7V Lithium Battery Compatibility: This solar light circuit board can be used to retrofit or repair integrated solar lights, providing compatibility with 3.2V LiFePO4 and 3.7V lithium batteries. 3. Battery Not Included: The wall light control board requires you to purchase AA batteries locally, as the remote control does not come with them included. 4. Pre-soldered Wiring for Easy Use: The solar light controller comes with pre-soldered lines, making it convenient and straightforward for users to install and operate. 5. Suit for Modifications: The automatic control lamp board is perfect for those who want to modify or repair their solar street light systems, offering reliable performance and adaptability. This control panel does not have overcharge and over-discharge protection. The battery needs to have its own protection board when connected. Compatible with 3.2V lithium iron phosphate battery and 3.7V lithium battery. Can be used for modification or repair of solar integrated street lights Nominal battery: 3.2V lithium iron phosphate battery/3.7V ternary lithium battery (the battery needs to have its own protection board) Applicable LED voltage: 2.8V-3.3V. Power Less than 5W. White light + yellow light Maximum input of solar panel: 5V-6V/Less than 10W Sensing method: light control induction. Long light in the dark Switch: remote control Color: As Shown Material: plastic Package Contents: 1 x Circuit board 1 x Remote control Only 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.