Brinsea Products Chick Safe Premium Automatic Chicken Coop Door Opener， Grey/Yellow<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>All-In-One design with integrated timer and light sensor - no complicated wiring or limit switches</li><li>Full manual door control and unique failsafe mode</li><li>5 to 120°f temperature operating range</li><li>2.5 Lbs. Door lifting capacity suitable for most door configurations</li><li>Low battery indicator and door closed indicator visible 100 yards away</li></ul></div><img src="http://ecx.images-amazon.com/images/I/411xZrqAj9L.jpg" noproxy>