The NockTurnal has a string activated linear switch that is protected deep within the nock and will not turn on or off inadvertently.
Fits most "standard size" carbon hunting arrows such as Beman ICS, Easton, Carbon Express, PSE, Carbon Tech, Victory, Carbon Impact and most other arrows including aluminum arrows with a Super UNI bushing.
From its internal components that fine tune the timing of your bow's performance, to the string clamp(included)that allows you to attach the Revolution without using a bow press and splitting your cables.
Your arrow will remain silent through load, draw and release, with the silencer pad (included).
If you draw back but do not shoot your arrow will remain in containment position after you let down.
When you do shoot it will deliver a level of silence and clearance regardless of fletching size.