Solar panel can auto sense light and on at night; Suitable for garden, show window, store and home, etc.; Elegant and fine; Switch: Auto / Off; Light auto on when people get into the sensing range and auto off after people left for 30s; Battery: 1 x N2 LiFePO4, 3.2V / 500mAh; Working time: >10h after charged for 8~12h; Sensing range: within 5m; Waterproof grade: IP65.