The Digi-Code CR2149 universal garage door opener safety beam sensor kit consists of a sender, receiver, installation instructions, and lots of wire. An economical replacement if the safety sensor units for your garage door opener quit. These are about two years old. Currently selling on Amazon for $99 plus tax.
https://www.amazon.ca/Digi-Code-Universal-Sensors-CR2149-Universal-Garage/dp/B0006OFYMO?pd_rd_w=oROlX&content-id=amzn1.sym.e51ba234-0a50-4ceb-91c0-b5fbf20f648d&pf_rd_p=e51ba234-0a50-4ceb-91c0-b5fbf20f648d&pf_rd_r=T1GE78VK1VAQKJQTHG1V&pd_rd_wg=7Id7k&pd_rd_r=eeb1be5f-1577-47fb-a7c8-1179ce820136&psc=1&ref_=pd_bap_d_csi_prsubs_0_t
From the website: Digi-code model CR2149 universal beam sensor works with all major brands of garage door openers - Chamberlain, Lift Master, Craftsman, overhead (1995+), Genie, Challenger, Stanley, Linear, Moore-o-matic and Raynor models (built by Chamberlain). The beams have a self-programming feature which allow the installer to simply hook up the beams to the existing wiring, mount the units to the wall and the job is complete . . . [they are] non-polarized so there is no way to hook them up backwards.
