LA2-120W All In One Solar Street Light 1. Adopt 5050 LED chips, high luminous efficiency up to 240lm/W, bright & stable lighting output. 2. Built-in LiFePO4 lithium battery, long cycle life, safer than lithium ion battery. 3. PIR motion sensor + timing dual control mode. Dim light when no people, full brightness upon detection, greatly save power. 4. Support 3~5 continuous rainy days backup lighting, reliable for bad weather. 5. Wide CCT range 2700K-6500K, warm white to cool