1、Good Sensing: The induction signals can penetrate glass, plastic, wall, etc., and the sensing distance is about 5 to 10 meters, very useful. 2、Reliable Use: The charging current is less than 2A, while the discharge current is less than 5A, also ensures a short sensing time of 15s. 3、Lamp Control: Only compatible with 2V for LiFePO4 battery and 7V lithium battery as well, more than enough to support the street lamp. 4、Working Tips: Does not have overcharge and over discharge protection, and built in protection board is needed when connecting the battery. 5、Easy to Install: Comes with a compact size and a light weight, the convenient installation can be quickly completed within several minutes. 1 x Solar Lamp Board1 x English User Manual Item Type: Solar Lamp BoardMaterial: PCBRated Voltage: 3.2V, 3.7VSolar Panel Input Power: <6VLED Power: <10WInduction Mode: Microwave Radar InductionInduction Distance: Approx. 5 ~ 10m / 16.4 ~ 32.81ftSensing Time: Turn to low bright after 15 seconds of high light.