Due to variations in production batches, the product may exhibit differences in appearance, color, and printed text. These variations not impact the functionality or usability of the product. Designed to meet diverse user needs while maintaining high-quality standards. Ideal for a wide range of applications, ensuring versatility and convenience. Each unit is thoroughly tested to reliability and performance. This product is crafted to provide optimal performance and reliability, making it suitable for various uses. The differences in appearance and color are a natural result of the manufacturing process and do not compromise the product's effectiveness. Users can expect a dependable solution that adapts to their needs while maintaining quality. Color: Black Material: ABS+PC Package Contents: 1*WiFi Power Meter On/Off Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.