Feature:1. The product has infrared human body sensing probe, sensitive to use2. With three gear modes adjustable, you can adjust according to your own needs3. The sensing distance is 2-5 meters, which varies according to different ambient temperatures4. The high quality solar lamp circuit board can fit for wall lamp5. 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 batterySpecification:Item Type: Solar Lamp Circuit BoardModel Specifications: YX-402Product Size: Approx. 19 x 59mm / 0.7 x 2.3inInduction Method: Human infrared sensorSensing Distance: 2-5 meters (depending on the sensing ambient temperature)Induction Time: 25 secondsBattery Input: 3.7V / 3.2VThis 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 boardThree Gear Modes Are Adjustable: 1. Induction highlight + slightly bright2. Induction highlight + light off3. Light control.Package List:1 x Module1 x Connecting Cable 1 x User Manual