Latest Automatic Chicken Door We have market customer feedback, improvement: update the integrated motor system to make the performance more stable and reliable; The sensitivity of the upgraded optical sensor is higher; Use more advanced PC materials for greater durability! At the same time, it can work in storms and high temperatures, in all kinds of harsh conditions. Latest Light Sensor Technology Thanks to the latest light sensor technology, the chicken coop door s; automatically opens at sunrise and closes at dusk. The performance is very reliable. The whole process opens and closes automatically without human intervention. To save more time every day, better protect your chicken!Waterproof and Durable automatic chicken coop door is made of ABS materials, safe and reliable, ipx4 waterproof, heat and cold resistant. As the battery is sealed, it is ideal for indoor and outdoor use. Smart Power Saving only 3 1.5v Common Battery (EXCLUDED) can be used for 8 months, very Energy saving; No need for complex wiring, easy to operate.Wide ScopeChicken door size 3524cm, can fit almost any size chicken, duck can also pass easily.