Introductions: Are you looking for a feeding trough to better feed your chicken? If so, you can't miss this automatic chicken feeder treadle self open aluminum feeder feeding trough. This automatic chicken feeder allows you to feeding your backyard chickens easily. Its lid can be opened automatically when chickens (minimum 500gsm) step onto the platform. This clever design allows chickens to access their food easily when they're hungry. Moreover, it's also convenient for you, you don't need to feed your chickens at regular time. So what are you waiting for? Don't hesitate, just take it home! Features: 1. Made of high quality aluminum, lightweight, durable and rust-proof 2. Prevent wild birds, rats and mice from stealing feed 3. Waterproof, can be placed outdoors 4. Solid construction and long lasting 5. 500g weight can open the lid 6. Keep feed clean and fresh 7. Save on feed costs, no wasted 8. Easy installation and maintenance 9. Large capacity can hold up to 11lbs of feed Specifications: 1. Material: 5052 Aluminum Board 2. Feeding Trough Dimensions: (20.87 x 7.09)" / (53 x 18)cm (L x W) 3. Feeding Trough Depth: 3.35" / 8.5cm 4. Whole Dimensions: (22.04 x 14.17 x 7.28)" / (56 x 36 x 18.5)cm (L x W x H) 5. Height from Ground: 7.28" / 18.5cm 6. Pedal Dimensions: (22.04 x 3.74)" / (56 x 9.5)cm (L x W) 7. Cover Dimensions: (22.04 x 8.07)" / (56 x 20.5)cm (L x W) 8. Weight: 59.79oz / 1695g 9. Feeding Trough Capacity: 4.5kg-5kg 10. Applicable Objects: Goose, Chicken, Duck 11. Open Weight: 400-500g 12. Color: Blue & Silver Package Includes: 1 x Feeding Trough 1 x Installation Instruction 1 x Package Screws Note: 1. Material is 5052 aluminum 2. Screw class is 304 stainless steel