CKNGUARD SELFLOCK DOOR EXTRM

Features: Opens & closes your chicken coop using a timer & light sensor; Manually open and close your chicken coop with a push of a button; Extra powerful motor, ideal for extreme weather conditions, Works at -20 C / -4 F; Fully featured LCD display for ease of use; Powered by 4 x AA batteries (included) Size:13 x 13 x 4.