An umbrella with an on/off switch typically refers to an automatic or electric umbrella that can open and close with the push of a button. Here are some features and considerations for such umbrellas:

▎Features to Look For

1. Automatic Opening and Closing: The main feature is the ability to open and close the umbrella automatically with a switch, making it convenient for quick use.

2. Durability: Look for materials that can withstand wind and rain, such as fiberglass ribs and waterproof fabric.

3. Size: Consider the size of the umbrella when opened. Compact models are great for portability, while larger ones provide more coverage.

4. Weight: Lightweight options are easier to carry, especially if you plan to use it frequently.

5. Battery Life: If it’s powered by batteries, check how long they last and whether they are rechargeable.

6. Safety Features: Ensure there are features that prevent accidental opening or closing, especially if it’s a powered model.

7. Design: Choose a design that suits your style—colors, patterns, and overall aesthetics matter!

▎Where to Buy

• Online Retailers: Websites like Amazon, eBay, or specialty outdoor gear sites often have a variety of automatic umbrellas.

• Home Goods Stores: Some stores may carry innovative outdoor products, including automatic umbrellas.

• Electronics Stores: Occasionally, stores specializing in gadgets may stock these types of umbrellas.

▎Maintenance Tips

• Keep It Dry: Allow the umbrella to dry completely before storing it to prevent mold and mildew.

• Battery Care: If it uses batteries, make sure to replace them as needed and store the umbrella in a cool, dry place.

• Cleaning: Follow the manufacturer's instructions for cleaning the fabric and frame.

If you have specific brands or models in mind or need recommendations, let me know!