1Suitable for a variety of low-power electrical appliances, emergency lights, advertising lights, traffic lights, etc. 2Intelligent stabilized voltage control, safe to use. 3Waterproof material, no built-in lithium battery, eco-friendly. 4Not easy to break, place in sun exposure, no damage. 5Steady voltage output, consistent with household power supply current. 6Not support the function of storing electricity. It can charge the equipment directly under the sunlight. Different illuminance, charging time and current are different. 7It can be used with power bank, better effect.