Product Features: 1. 1500 cycle Li-ion battery,10 years spen life. 2. Support more than 10 rainy days with the best technology ALS2.0. 3. Smart remote control function as below: (1) Brightness adjust from 10%-100% for different application. (2) Timer Setup from 1H-8H to meet different season. (3) PIR motion sensor lighting mode for energy saving. 4. Seoul Led chip, 160lumen/W ,140°wide lighting angle. 5. Integrated design with Patent,cableless ,easy to install. 6. Turn on at dusk and tun off at dawn automatically.