1. It supports automatic switching between 3.2V and 3.7V batteries, and is compatible with lithium iron phosphate and ternary lithium batteries 2. The product has an exquisite appearance and the components are beautifully arranged 3. It is equipped with a built-in long-life light control and remote timing function, making it convenient to use 4. Connect a 3.2V or 3.7V lithium battery. A protection board needs to be installed on the battery to prevent overcharging and over-discharging 5. High-quality components are adopted to stable and reliable use for a long time This control board does not come with overcharge and over-discharge protection. When connecting to a battery, a built-in battery protection board is required. It is compatible with 3.2V lithium iron phosphate batteries and 3.7V lithium batteries, and can be used for modification or maintenance of integrated solar lights This product comes with a remote control that does not contain batteries. You need to purchase 2xAAA batteries locally for use Nominal battery: 3.2V lithium iron phosphate battery/3.7V ternary lithium battery (with built-in battery protection board) Solar panel input power: 5V-6V Less than 30W Lamp output power: 3V Less than 10w(60W is falsely labeled on the market) Lighting mode: Constant light on + Remote control timing (no human body sensing function) 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.