Note: This product is a customized product, please consult customer service before the next order, determine the specifications, after the order is not quality problems do not accept returns, exchanges, refunds. Welcome to our factory, we specialize in engineering light source, mainly for outdoor street light source, product positioning in the high-end, to ensure stable quality, to avoid outdoor light source damage maintenance problems. This product is a solar system light source, suitable for direct use of lithium iron phosphate batteries, the input voltage is 3.2V/6.4V/9.6V. The installation method of E27 screw solves the problem of late maintenance of the integration of solar light source and street light pole.