Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like 125KHz Proximity ID Duplicator for HID and AWID and Paradox Cards or keyfobs Handheld RFID Writer + 5 pcs Writable Key Fobs.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.