IP44 waterproof and sun-proof; With a light control switch to ensure light will be charged in the daytime and turned on at night automatically; 0.2W amorphous silicone solar panel; 500mA replacement AA rechargeable battery; 0.06W color-changing LED; Working time: 8~12 hours; Solar panel charges the built-in battery during the day and LED turns on automatically in the evening with red-green-blue color changing; With ON / OFF switch. Attention: As the power of the solar panel depends on the sunlight the LED luminous time will be affected by weather seasons places etc.; It is in charge only when the button is turned ON; Don't soak it in water; Don't strike it; be aware to keep it away from children and take care when using it for its sharp edge.