Power Supply Compatibility: Designed to work seamlessly with the 21.5-inch smart digital photo frame, ensuring consistent and reliable power delivery for optimal performance.Safety Features: Equipped with over-voltage, over-current, and short-circuit protection mechanisms to safeguard both the adapter and the digital photo frame from potential electrical damage.Durable Design: Built with high-quality materials to withstand daily use, offering longevity and reliability for continuous enjoyment of your digital photo frame.Model Compatibility: Specifically designed for model 215KZ, ensuring perfect fit and functionality.