This listing is for a Genuine Sloan EL-1001-A Optima Closet Flushometer Electronic Accessories Kit, with push button override.  This kit includes an EL-1500-L closet sensor for toilet, push button switch, wall plate, and mounting hardware.

Your satisfaction is guaranteed.  All items are shipped via the US Post Office (USPS).  I make every effort to ship your item within 24 hours following receipt of payment, except for Sundays or Holidays when the post office is closed.