Designed for long-term use: Coop door openers are designed for long-term use There are no wires or cables, and the opener is powered by 3 AA batteries (batteries not included) No complicated wiring means low risk of default also, EASY TO INSTALL AND SETUP: The coop door opener comes with detailed instructions You dont need to assemble the door opener, just install it in the correct location We also provide auxiliary cardboard to our valued customers Everyone can install our product in 10 minutes All for your convenience: The concept of automatic chicken coop doors is for the convenience of our valued customers The battery compartment is located on the surface of the drive system, eliminating the need to remove the coop to replace the battery Multi-mode and multi-scene use: The new generation of chicken coop door openers has three basic modes: photosensitive mode, and manual mode Different modes can work together Automatic chicken coop doors are suitable for every scenario Protection program: The chicken coop door has a protection mechanism If the door hits the chicken, it stops automatically Dont worry about hurting your cute chick The product requires 3 AA batteries, not included in the deliveryFunction: light sensing, liftable, waterproof (IP44)material: plasticSize: 35x24x3 7cmNet weight: 400gGross weight: 480gPacking size: 25x5x36cmPacking: color box