【Extra Large Electric Chicken Coop Door】The oversized 9.5" L × 10.8" H entry lets even big breeds and ducks move in and out comfortably. FULL UNIT SIZE: 12" L × 16" H. 【3600mAh Battery + USB-C Backup】The extra large automatic chicken coop door includes a built-in 3600mAh low-temp battery (-15°F–140°F) for nonstop operation.
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