AMEC SB-181 TX Switch Box [AMEC-SB181-010] Brand_Powerwinch It has been developed to

It has been developed to mount onto the front of the Forestay Bridle where it is ideally situated for maximum visibility both upwind and downwind

Featuring a powerful quad-blade chopping system and a triple-sealed motor

The optic appears clear until illuminated

plastic wrap

Wide Input Voltage Range

AMEC SB-181 TX Switch Box [AMEC-SB181-010] Brand_Powerwinch It has been developed toSB 181 TX Switch Box The TX Switch Box SB 181 is specifically made to work with AMEC AIS Class B transceivers, both the 2W and 5W series. With its simple and robust design, silent mode (AIS transmission disabled) can be activated easily. Owner's Manual (pdf)