How much does this cost to the nearest dollar?

Apollo Control Board 635 / 636 Non-ETL Apollo Main Circuit Control Board
Apollo Control Board for 1500, 7000 and 7100 (no radio) This board will be converted to a 636 board for dual operators. However, the 636 board for dual operators works with the single operators as well. The 636 board is a direct replacement for the old Apollo 634 control board. Warranty Full Two Year Manufacture Limited Warranty 12V Fuse Protected Power Outputs For Radio receivers Keypads Miscellaneous options Emergency bypass Peripheral Inputs Free exit Safety loop Shadow loop Edge station Telephone entry Photoeye Timer to close option Slave disable station enable The 636 board is a direct replacement for the old Apollo 634 control board. Warranty Full Two Year Manufacture Limited Warranty, Package Weight

Price is $590.00

Price: $590