3 7V Infrared Solar Lamp Panel Circuit Board Solar Lamp Board Control Sensor Night Light Controller Module Features:1 Applicable battery voltage is 3 7V / 3 2V 2 Connecting 3 7V batteries has overcharge and overdischarge protection 3 Connecting 3 2V batteries requires batteries with protective plates 4 Sensing Mode is Light Control Infrared Human Sensing 5 3 gears induction mode:Induction highlight low light, Induction highlight off, Light control induction continues to bright Descriptions:1 This is a 3 7V Infrared Solar Lamp Panel Circuit Board 2 Compact size,easy to install Specifications:Color:GreenApplicable battery voltage : 3 7V / 3 2VConnecting 3 7V batteries has overcharge and overdischarge protection Connecting 3 2V batteries requires batteries with protective plates Applicable LED Voltage : 2 8V-3 2VOutput Power :