Macbook Air Case/Cover with Keyboard, Hard Cover Protection - Clear The frequency and musical scale

The frequency and musical scale letter is stamped on each tuning fork

making it ideal for industrial and military applications

8%+1) - Input impedance:10 MO - Overload protection:600 V rms AC voltage - Range:2 V / 20 V / 200 V / 600 V - Accuracy:±(1

Features found in high-end test equipment

9 kHz to 1

Macbook Air Case/Cover with Keyboard, Hard Cover Protection - Clear The frequency and musical scaleNOTE: COMPATIBLE ONLY WITH Macbook Air 13" compatible only with 2010 2017 Models A1369 & A1466 Elongates the life of your Mac by protecting it from dust and scratches Snap on design, easy on and easy off The case can be removed to be cleaned with mild soap and water The Science Purchase MacBook Air Cover Protects your MacBook while looking Sleek and stylish. (Rubberized See Through),Prefect fit for Macbook Air 13", Comes with Matching Color Keyboard