Automatic spool filament meter

🎯 Smart and easy to use device• 👁️ Instant display         It allows you to easily see the remaining filament on the spool without any effort.• 🌐 Universal compatibility         Works with most 1 kg spools on the market.• ⚡ Quick and super precise readings         Measures with extreme accuracy to avoid interruptions during printing.• 📏 Intuitive scale         Arrow indicator for immediate and unambiguous reading.• ✨ Simple and modern design         Clean and minimal lines, perfect for any w