A wooden wall hanging that says "Welcome to Sweet Home" sounds like a charming addition to any living space! Here are some features and details that could make it unique and appealing:

1. Material: Crafted from high-quality wood, ensuring durability and a natural aesthetic.

2. Design: The design could feature elegant calligraphy or typography, enhancing the visual appeal and conveying a warm, welcoming message.

3. Size: Offered in various sizes to suit different wall spaces, from small and cozy nooks to large entryways.

4. Finish: A smooth finish with polished edges or a distressed look for a rustic feel, adding character to the piece.

5. Mounting: Equipped with a sturdy hanging mechanism for easy installation on any wall, whether it's with a traditional nail or a modern adhesive hook.

6. Customization: Perhaps allowing for customization options such as different wood stains, font styles, or even personalized messages to make it truly unique to each home.

7. Versatility: Designed to complement various interior decor styles, whether it's farmhouse, rustic, modern, or eclectic.

8. Handcrafted: Handcrafted with attention to detail, ensuring each piece is unique and made with care.

9. Gift-ready: Packaged in an attractive box, making it an ideal gift for housewarmings, weddings, or any occasion where a touch of warmth and hospitality is appreciated.

10. Sustainability: Made from sustainably sourced wood or utilizing eco-friendly production practices, appealing to environmentally conscious consumers.

These features and details can make the wooden wall hanging not just a decorative piece but also a meaningful addition to any home, radiating warmth and hospitality to all who enter.