Please check the size carefully and carefully measure the outer diameter of the oscilloscope to ensure that the size is appropriate and fit. High Quality: Made of High-quality Plastic Material, Strong and Durable, Waterproof and Dirt-resistant Wide Application Range: We Have 25.5 Inner Diameter Lens Caps to Choose From, You Only Need to Choose the Right Size According to Your Needs Convenient To Use: This Lens Cover Only Needs to Be Installed in front of the Lens, and It Can Be Opened and Closed By Flipping the Switch on Both Sides. The Operation Is Simple and Convenient Due to manual measurement, please allow for a slight error. Please make sure you don't mind before bidding. Colors may vary depending on the monitor, please understand. Attention:Hello, please pay attention to your shipping address when purchasing products. If your shipping information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly