Presumably you’ve checked compatibility? Frient have a good page about which of their products is compatible with Home Assistant, but I notice they recommend Z2M rather than ZHA.
The Blakadder database of Zibee devices does not mention KlikAanKlikUit and ZHA, but it may be that they haven’t been tested yet.
Looking ahead, you’re going to need some mains-powered devices to create a solid Zigbee network.
Lots of good advice here: