【Long-term use design】: The electric chicken flap door opener is specially designed for long-term use.With no wiring or wiring required, the door opener is powered by 3 AA batteries (batteries not included).No complicated wiring means low risk of failure.The battery compartment sits on the surface of the drive system, so there is no need to remove the stable to replace the battery. [Multi-scene and multi-mode use] The next generation of stall openers has two basic modes: photosensitive mode and manual mode.The different modes work synergistically, for example the chicken coop door automatically opens at sunrise and closes at dusk without the need for adjustment. [Protect your chickens]: The chicken coop door opener closes reliably and reliably. Provides sufficient protection from nocturnal predators (foxes, minks, etc.).The automatic chicken door has a protection mechanism.When the door touches the chicken, it stops automatically.You don't have to worry about your cute little chickens getting hurt. 【Waterproof and Durable】Made of ABS material, which is waterproof and resistant to high and low temperatures.Since it comes in a waterproof case, it is perfect for indoor and outdoor use.Only 3 normal 1.5V batteries (not included) can be used for 8 months;No complicated wiring is required.When the battery power is less than 20%, the indicator light will continue to flash to indicate a low battery alarm. 【Customer service】The size of the chicken door is 35 x 24 cm, which can accommodate chickens of almost any size and ducks can also pass through easily.