Package for single seaters includes:

2 x electric bugwiperwinch in closed housing
2 x mounting bracket
1 x double switch for instrument panel
1 x installation kit single seater
1 x detailed installation and operation manual

Package for double seaters includes:

2 x electric bugwiperwinch in closed housing
2 x mounting bracket
2 x double switch for instrument panel
1 x installation kit double seater
1 x detailed installation and operation manual

The bugwiper system can also be delivered in a more compact, partly open housing which allows installation in smaller or remote compartments as well as a system that fits entirely in an oxygen bottle compartment.

Original source:
https://www.gliderpilotshop.com/bugwipersystem-electric.html