This is Fishman's classic Undersaddle ceramic guitar pickup. AG-Series pickups like this do not require a battery, but an impedance-matching preamp is recommended for best performance. This pickup has a 3/32? (2.3mm) saddle width and 2.125? E to E string spacing.
To read more about the AG Pickup Series please download the user guide below.
Alternatively to learn more about the installation process please download the following PDF.