Micro Switch - a Honeywell division - Presented here is a set consisting of an Emitter and a Receiver, Catalog #FE7C-TT2E-M, & Catalog #FE7C-TT2R-M, which Micro Switch calls a Miniature Photoelectric Control package. These two components comprise a system that has a range of up to 20 feet. Both sensors are NEW, in the box, with instructions, take 85-250 VAC power, and are 2-wire photoelectric sensors, with a N.O. load bearing circuit on the receiver wiring. 

Free shipping, in the United States. Elsewhere to be quoted, via the USPS Priority Mail, or First Class International Post.

Thanks for looking and hopefully purchasing.