Power (W): 50/80/100/120; Voltage (V): 12/24; CCT (K): 4000/5000/6500; Luminous efficiency (lm/W): 200; CRI: >70; Life span (hrs): 50,000; IP66; Solar Panel: Mono Crystalline Technology, Power (W): 100/130/120/150/170, Voltage (V): 18/36, Lifespan: 20 years; Battery: Lithium LiFePO4 Technology, Capacity (Ah): 30/42/54/60/100, Voltage (V): 12.8/18.2/25.6; Lifespan: 10 years; Built-in light sensor enables on/off automatic turning; Adjust brightness mode and lighting time via Web/App; Transmit signals through RIIM, 3G/4G/NBIoT standards; Capable of integrating and connecting with major network providers to upgrade to smart street lights; Flickerfree; CE, KC certified can apply for other standards as requirements; Warranty: 2 years; OEM accepted;