1. High quality LifePO4 battery, more than 2000 cycles. 2. COB LED chips lighting efficiency can reach 180lm/watt. 3. Long rainy lasting days for 3-5 rainy days. 4. Light Control + Time control. 5. ALS to achieve all night lighting when weather change. 6. TCS to protect the battery charging and discharging in high temperature. 7. Bluetooth app mobile control function available. 8. Applications: Garden/ Park/ Street / Highway/ Parking Lot/Sidewalk/Square.