Features:-There are 4 modes to choose from, manual, remote control (up to 40 meters), light sensor and timer, to allow for maximum flexibility in managing your chicken house door.-A built-in solar panel charges the lithium-ion battery, ensuring reliable operation and reducing energy costs.-With IP67 waterproof rating, it is suitable for all weather conditions, whether it is raining or snowing.-With the smart anti-pinch feature, the door will retract if obstructed. To ensure the door operates smoothly, check the track regularly and remove any debris.-Made of high-quality aluminum alloy and ABS plastic, it is rust-proof and corrosion-resistant, with a sturdy structure and long service life.-The opening is large enough to accommodate most poultry, protecting yo.