It depends on where and how you’ll use your twinkle lights.

• Battery-operated: Great for shelves, mason jars, wreaths, or spots without outlets. They’re portable and tidy. Keep the battery box accessible, and consider sets with timers to help manage battery use.
• Plug-in: Helpful for long runs, higher LED counts, or lights you’ll use nightly. Check cord length and where your outlet is located.
• USB-powered: Flexible for bedrooms, desks, and dorms using a power bank or adapter. Check the product page to see if a USB power adapter is included.

Tip: On Walmart’s site you can filter by power source, length, LED count, lighting modes, and indoor/outdoor use to narrow your options.

A quick check can help your lights perform better outside.

• Usage rating: Look for “indoor/outdoor” or “waterproof” in the product details. Outdoor‑rated lights are designed to handle the elements better than indoor-only sets.
• Power setup: For plug-in lights, use outdoor‑rated extension cords and keep connections off the ground and dry. For battery boxes, keep them sheltered from direct rain unless the listing states otherwise.
• Placement: Avoid sharp edges and tightly stretched runs; allow a little slack. Avoid submerging any part of the set.
• Weather: Wind and heavy moisture can affect performance. Taking lights down during severe weather can help extend their life.

Always follow the instructions provided with your specific string lights.

Start with your layout, then match the length.

1. Plan the path: Outline where you want the glow—headboard, window, mirror, or wall perimeter.
2. Measure: Measure the path and note where your outlet or battery box will sit.
3. Add slack: Add a little extra for drape and corners.

• Small accents (jars, shelves): Short micro strands around 6–7 ft can work.
• Feature lines (headboards, windows): Medium runs around 16–33 ft are common.
• Perimeter glow (walls/ceiling): Longer runs like 66 ft and up reduce gaps.

Also consider LED count and lighting modes—both affect brightness and the overall look. You can filter by length and LED count on the product page.

Gentle, removable hardware is your friend.

• Adhesive hooks/strips: Place a row along the top edge and press firmly per the package directions. Choose a weight rating that suits your curtain lights.
• Clips: Use clear, removable clips to guide the top wire so strands hang straight.
• Existing hardware: Drape from a curtain rod or a tension rod to avoid new holes.
• Prep surfaces: Clean and dry the wall first, then allow adhesives to set before hanging the lights.
• Cable care: Don’t staple or pinch the wire, and leave a little slack near the plug or battery box.

If you’re unsure about adhesives, test a small, hidden spot first.

Look for connectable designs and follow the product limits.

• Check the listing: Many plug‑in string lights list “connectable” and show the maximum number of sets that can be linked end‑to‑end.
• Match sets: Link only identical sets for consistent brightness and effects. Mixing different styles or voltages isn’t recommended.
• Stay within limits: Don’t exceed the stated maximum. For outdoor runs, use outdoor‑rated outlets and keep connections dry.
• Battery/USB lights: These typically aren’t designed to daisy‑chain. Plan separate runs with each set powered individually.
• Test first: Connect and light everything on the ground to check the length, modes, and look before hanging.

When in doubt, follow the instructions provided with your lights.