① Square 1:1 (540×540)
Best for: IG / FB / Threads / WhatsApp Status / email signature · 520 KB
<img src="https://www.wallbed-hk.com/assets/img/mechanism-animation.gif" alt="6-second wall bed mechanism" width="540" height="540" loading="lazy">
② Vertical 9:16 (540×960)
Best for: TikTok / Reels / Pinterest / mobile-first blogs · 876 KB
<img src="https://www.wallbed-hk.com/assets/img/mechanism-vertical.gif" alt="6-second wall bed mechanism" width="540" height="960" loading="lazy">
③ HD Square 1:1 (720×720)
Best for: blog hero / website embed / press use · 851 KB
<img src="https://www.wallbed-hk.com/assets/img/mechanism-animation-hd.gif" alt="6-second wall bed mechanism HD" width="720" height="720" loading="lazy">
📧 Email signature
Square 540×540 · WhatsApp + URL caption below
📱 WhatsApp DM
Forward to friend who ask "what is wall bed?"
🌐 Blog embed
HD 720×720 hero on any furniture blog post
📷 IG Stories
Vertical 540×960 — full-screen mobile
🐦 Threads / X
Square 540×540 · auto-plays in feed
💬 Slack / Discord
Drop directly · 520 KB ≪ size limit
📰 Press inquiry
HD version when journalists ask for visual
📑 Mgmt office submission
Visual proof of mechanism for approval