All-in-one ELS-30 solar LED street light has monocrystalline silicon epoxy solar panel, 15 watt LED, 1500 lumens brightness, up to 2 nights lighting time, 360 degree beam angle, 50000 hours LED life time, on / off switch, rechargeable li-ion battery, over charging / over discharging / over current / short circuit protection, high efficiency, automatically turn on at dusk and turn off system.