
ORIGINAL Grade Crossing Pro upgrade chip for TrueLamp2
Upgrade an older (PRIOR to version 3.0 or 3.0 INV) ORIGINAL Grade Crossing Pro (NOT the Grade Crossing Pro/2!) to the latest version which supports TrueLamp2. You MUST select either the photocell version or the infrared version based on the type of sensors you have! Either click "See Detail" at the left or select "Buy Now" and then choose "Edit Options". NOTE: if you are ONLY ordering this chip (or chips) then we will refund the difference in postage since this will ship in a padded envelope.