LIFTMASTER model CPS-OPEN4 is a garage door safety device.
The warranty on the CPS-OPEN4 safety device is 1 year from LIFTMASTER.
The model CPS-OPEN4 is still available.
LIFTMASTER model CPS-OPEN4 safety brochure in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_cps_open4_brochure_14.pdf
(0.52 MB in English) This requires Acrobat 10 or higher