String replacement on the Easy Protect chicken door control from KERBL (

With the EasyProtect automatic chicken door, you can automatically open and close the chicken door on your poultry house.
www.kerbl.com/en/product/auto...
The control is already permanently installed on the sliding door for easy mounting and has an integrated self-locking mechanism to protect your animals from unwanted intruders.
daylight-dependent control with light sensor
time-dependent control, can differentiate between weekdays and weekends
manual control possible on the device or via optional external button (70565)
very easy to assemble
compact design enables installation on many small poultry coops
230 volt mains or battery operation (4 x AA mignon)
Slider weight: min 0.5 kg, max. 2.5 kg
Solar battery kit (item no. 70556) and connector cables for car/electric fence battery (item no. 70557) available separately as accessories