Power (W): 25/30/50; CCT (K): 5000/6500; Luminous flux (lm): 2100/3200/4600; CRI: >70 Life span (hrs): 30,000/50,000; IP66; Solar Panel: Poly Crystalline Technology, Power (W): 25/65/95, Voltage (V): 5/6, Lifespan: 20 years; Battery: Lithium LiFePO4 Technology, Capacity (Ah): 20/50/65, Voltage (V): 3.2, Lifespan: 10 years; Five-level dimming with remote control, On/ off lighting by using the ambient light sensor; Flickerfree; CE, KC certified can apply for other standards as requirements; Warranty: 2 years; OEM accepted;