Check the listing for details. HP / Agilent 53131A / 53132A LED Display Conversion Kit, VFD Display Replacement. Condition: New. Listed at 99.00 USD. HP / Agilent 53131A / 53132A LED Display Conversion Kit, VFD Display Replacement This is a drop-in replacement for the VFD display used in the HP / Agilent 53131A / 53132A / 53181A frequency counters. The new display is LED-based and requires no modifications to the counter. LED color: Blue. The LED display is virtually lifetime-lasting and doesn’t burn out like a VFD display. Includes:53131A / 53132A LED Display Board Step-by-Step Display Replacement Instructions Please see all the photos in the listing and read the description to make sure of what you are buying. Any questions, please ask before buying. If you're not satisfied with the item, full refund is offered upon returning. Warranty:If any issue occurs within a year, just return it, and we’ll provide an exchange or a refund.Please don't remove any stickers during warranty period. This auction ONLY includes the item described in the title. The HP 53131A display board is not included. This item will be well packaged. Same day shipping if ordered by 1:00 PM EST (except holidays and weekends).