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It has a pump built in. I had placed these sinks in the base cabinet and it worked great. A return valve on the hose might be advisable, but it also works without.
My dishwasher is almost on the floor, so I can easily see the switch with the washing programmes. You can also see the red lights without having to bend down.
The two hoses are supplied with the article according to the brand information. Delivery: 1.5m and 2.15m for the second. No adapters are normally required for connection.
You can't connect it to a normal tap, because they usually don't have a thread. I screwed a new tap with a thread onto the washing machine and got the tap and an adapter from the DIY store.