Technical Information Temperature range: 15ípC-40ípC Humidity range: 10%-90%, non condensing Pressure range: 500-1060hpa Battery: Rechargeable Li-lon battery Product Description 1. Fast and reliable shade taking at the push of a button 2. High measuring accuracy thanks to spectrophotometric measuring 3. Perfectly simple handing 4. Cordless. Mobile and lightweight compact unit 5. Better results since independent of lighting conditions and user 6. Up to 25 shade taking results can be store 7. Extended durability thanks to modern LED technology 8. Easy to learn 9. 26 tooth guide 3D-Masyter shades 10. 3bleached shade guide shades 11. 16 classical A1-D4 shades 12. Quality control thanks to the possibility to verify restorations