Feature: 1. CONVENIENT AND SAFE: The solar lamp circuit board has infrared human body sensing function. When someone passes by, the light will automatically turn on, which is convenient for walking at night and can increase the safety guarantee 2. AUTOMATIC LIGHT CONTROL: The solar lamp module has the light control function, when the light is insufficient, the light will automatically turn on, saving the trouble of manual operation, making you more convenient and comfortable 3. EASY INSTALLATION: The installation of solar lamp controller module is simple and convenient, and does not require professional installation. Easy to DIY, save manpower and material resources, and easily complete the installation steps 4. DURABLE MATERIALS: Solar lamp control circuit board adopts excellent PCB material, durable and not easy to damage, effectively extend the service life, save more for you 5. MODE AND INDUCTION TIME: Induction solar lamp circuit board has three lighting modes, infrared human body induction about 18 seconds Specification: Item Type: Solar Lamp Circuit Board Applicable Battery: 3.7V lithium battery Applicable Solar Panel Power: 5V-6V<3W Applicable Lamp Power: 3V3W Lighting Modes: Three(induction highlight and low light; induction highlight and off light; light control semi bright long light) Induction Time: Infrared human body induction about 18 seconds. Package List: 4 x Solar Lamp Circuit Board1 x User Manual