jvr automatic chicken door coop opener kit with safety mechanism, rainproof outdoor timer controller actuator motor, 12v dc power supply (timer version) jvr do you worry about the safety of your poultry while you're on vacation? are you willing to waste your time and money on an inferior chicken coop opener? would you like to waste your time and money on poorly crafted coop door openers? are you worried about the longevity and after-sales service of your expensive products? jvr advanced technology automatic chicken door opener can make your life easier! jvr automatic door openers save your time/marriage/family fights and protect your chickens from predator! jvr automatic chicken coop door manufacturer provides unconditional free after-sales service within one year of receiving the goods! chicken coop door jvr coop door automatic door opener - big screen. big buttons. easy to set up and understand. - easy to install and comes with color illustrated instructions and all hardwares. - multiple on/off program settings. 7-day programmable settings. - automatically controls the opening/closing time of the coop door. - the door can be opened/closed manually with the push of a button. -there is a power failure memory function, the setting will not disappear. - the door will stop moving when there is chickens directly in front of the sensor. - the jvr automatic chicken door guard opener is trusted and reliable to keep your flock safe day and night. chicken coop door automatic chicken door coop opener kit package include: 1* controller box 1* linear actuator 1* power cord 1* hinged door 2* slide guides 2* hanger kits 1* manual 10 screws description: power cord: ac 110v input, dc 12v output motor control: timer / manual override operating temperature: 14° f ~ 122° f voltage: 12v dc power (can be connected to 12v solar panel batteries, not included) hinged door sizes: 11 13/16 inches wide, 12 9/16 inches high ( 2 pieces with a hinge ) installation space: 12 3/4 inches wide, 30 5/16 inches minimum and 42 9/16 inches maximum high if you have any questions, please contact the service, we will reply within 24 hours.