PV Module 110W 18V LED Source 0.822W*72PCS 60W£»life time£º50000hours LED chip,EPISTAR Viesing angel £¬60¡ã*120¡ã Color Temperature£º 2700K~3500K£¨warm white£©/5000K-6000K(cool white) Color rendering index £º£¾70 LED Efficiency:¡Ý95LM/W Initial Delivered Lumem Tj=25¡æ:1425lm Normal Luminous Flux Tj=66¡æ:1280lm Battery Capacity Lithium-ion LI Fepo4,12.8V 50AH Life time: 5-8years MPPT Controller 12.8V 5A Human body infrared induction model/Timing mode:The multifunctional controller, can be set up Circuit Protection: Overcharge, discharge, short circuit, open load, lightning protection and other functions On grid backup:optional features The outer solar panels: optional features