Features: Smartest 3.7V solars Lamp Circuit Board with infrareds human sensorings automatically activates lights within 2-5meters, optimizing energy efficiency through motions detection and solars power integration. Features 3 adjustable modes (highlight + dim, highlight + off, and constant light) and builts in overcharge/overdischarge protections for 3.7V batteries, ensuring performances. for enthusiasts and solars project builders customizable, energy efficient lighting for garden, pathways, or security setups. for enhancing outdoor space like porches, garages, or garden with automateds, illuminations triggereds by human presences. integrates seamlessly into wall lights, offering installation and compatibility with 3.7V/3.2V batteries (protective board required for 3.2V). Specifications: Materials: PCB Product Size: 59.1x19.2mm Quantity: 1Set, 3Set (optional) Rateds battery voltages: 3.7V lithiums battery with overcharge and overdischarge protections Connecting 3.2V battery requires a battery to come with a protective board solars panel input power: <6V6W LED Power: <3V5W Induction distance: 2~5meters Three light-on modes: light-on, turn off light, always light-on Package Includes: 1/3Set Human infrareds sensings Control sensorings Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.