A great opener because it runs on batteries and uses a winch type action.
Sine other openers use linear actuators which may or may not have sensors to kill operation in case of blockage from one of your chickens, ducks or whatever Fowl you choose to use it for.
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Two programming modes are possible and can be combined
Timer adjustable at a given time
Light sensor
Backlit interface from where you can configure the parameters according to your preferences through the menu.
The light sensor triggers the opening of the hatch after 6 seconds in contact with the light in order to avoid the unintentional opening of the door due to vehicle lights or other.
The box is connected to a cable which automatically lowers and raises any sliding hatch between 0.2 and 1 kg.
Easy to install, just fix the box on the chicken coop and tie the hatch to the cord.
Easy to use and manually controllable, the case is waterproof.
Powered by 4 AA batteries (not included).
Box dimensions: 14 cm x 7 cm x 10 cm
Maximum door lifting capacity: 1 kg