1IP67 waterproof power supply, suitable for both outdoor and indoor use, not afraid of rainy, foggy, strong sunlight and other harsh environments. 2Built-in all copper transformer, conversion efficiency more than 85%. 3Constant voltage output to ensure the stability of the power supply. 4The power supply is sealed with high quality aluminum housing, rustproof and anti-corrosion, quick heat dissipation. 5Cold and heat resistant, strong environmental adaptability.