Material: plastic Function: Light sensitive, liftable waterproof: IP44 Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1The chicken house door opener is equipped with a light sensor, the door will automatically rise when there is light, and it will automatically lower when there is no light. Generally, it will automatically rise during the day, and will automatically descend after dark. 2If you want to close it during the day, you need to cover the light?sensing place yourself. 3The super upgraded circuit board system only needs 3pcs 1.5V ordinary batteries (battery not included), and the indicator light keeps flashing, reminding you to replace the battery in time to avoid normal foraging of chickens. 4The automatic chicken coop door opener consists of a high quality circuit board and a high quality motor with antifreeze added. 5They are durable, so you can use them safely for years. 6They work well even in extreme weather and can withstand temperatures from -22F to 131F. 1 xChicken Coop Door