Check the listing for details. Trimble_77035-00_EZ-Boom Signal Inverter Box_EZ-Guide Controller Module. Condition: Used. Listed at 89.99 USD. Working when last used, but hasn't been tested since then. Money back guarantee or a replacement depending on availabilityEZ-Boom/Guide Box inverter77035-00 60 Day money back guarantee. Please verify that this fits your application before purchasing. Shipping:--Shipping times can vary. Please be patient as this isn’t my full time job--IF IMMEDIATE SHIPPING IS REQUIRED please reach out to me BEFORE purchasing to make sure I can accommodate. --Buyer pays return shipping unless there is an issue with the item --If purchasing multiple items, shipping discounts/ refunds will be issued if applicable--Items will be shipped vis USPS ground advantage, media mail if applicable, or UPS/FedEX for larger/heavier options. Please feel free to reach out to me if you have any questions.