Features Advanced Infrared Sensing Technology - Features a sensitive infrared human body sensing probe for reliable detection, ensuring efficient operation in various conditions Customizable Three Gear Modes - Easily adjust the light intensity to suit your preferences for enhanced convenience and energy efficiency Impressive Sensing Distance - Detects motion within 2-5 meters, adapting to different ambient temperatures for optimal performance in diverse environments Versatile Compatibility - Specifically designed to fit wall lamps, this controller seamlessly integrates with your existing lighting setup for easy installation Enhanced Battery Protection - Built-in safeguards prevent overcharging and over-discharging when connected to a 3.7V battery, ensuring long-lasting performance and safety Features: 1、The product has infrared human body sensing probe, sensitive to use 2、With three gear modes adjustable, you can adjust according to your own needs 3、The sensing distance is 2-5 meters, which varies according to different ambient temperatures 4、The solar lamp circuit board can fit for wall lamp 5、The control board is protected from overcharge and overdischarge when connected to a 3.7V battery, and the battery needs a protective board when connected to a 3.2V battery Specification: Item Type: Solar Lamp Circuit Board Model Specification: YX-402 Product Size: Approx. 19 x 59mm / 0.7 x 2.3in Induction Method: Human infrared sensor Sensing Distance: 2-5 meters (depending on the sensing ambient temperature) Induction Time: 25 seconds Battery Input: 3.7V / 3.2V This control board is protected from overcharge and overdischarge when connected to a 3.7V battery. When the 3.2V battery is connected, the battery must have its own protection board Three Gear Modes Are Adjustable: 1. Induction highlight + slightly bright 2. Induction highlight + light off 3. Light control Package List: 1 x Module 1 x Connecting Cable 1 x User Manual Package List 1 x Module 1 x Connecting Cable 1 x User Manual