【EFFICIENT OPERATION】Designed to operate on a timer and a light sensor that automatically adjusts for summer and winter day length. 【QUALITY PARTS】Durable braided rope and spring to hold and open the door for many times. 【ALUMINIUM CONTRUCTION】The door and rails are made of alumumium for longlasting use and rust prevention. 【WEATHERPROOF】The entire control is weatherproof and all mounting screws are provided for a fast set-up. Need to let the chickens out early every day? Or to close the coop on time to keep predators and vermin out? Our Giantz Automatic Chicken Coop Door Control takes all the hassle away and lets you do the tasks easily and timely. Designed to operate on a timer and a light sensor that automatically adjusts for summer and winter day length, the coop door control uses an efficient motor with braided rope for strength and durability. The door and rails are made of alumumium for longlasting use and rust prevention. It also has a spring buffer to cushion the impact of the door operations. The control utilises a photosensitive resistance regulator and also features a digital display for easy monitoring. Powered by four AA-sized battery, the coop door control has a low battery warning light for convenient use. The entire control is weatherproof and all mounting screws are provided for a fast set-up. Features Timer Light sensor activated Power by four AA-sized batteries (not included) Reliable motor Spring buffer Low battery warning light Weatherproof enclosure Mounting screws included Braided rope Specifications: Power: 4 x AA-sized battery (not included) Controller size: 125mm X 125mm X 75mm Door material: High quality aluminium Lid material: ABS Package Content Giantz automatic chicken coop door x 1 User Manual x1 Mounting screws x 1 set Aluminium Door and Rails x 1 set