Sounds like an expensive option. To recap, the OP has a garage 40 metres from his house and wants something that detects motion and notifies him immediately. What setup do you suggest/recommend?
Blink. If it has power you can extend internet over electric cables and have a wifi adaptor plugged in. Notifications to phone. £50 in the Amazon Prime day coming up in the next week.
Forgot to say. Have no power in garage. There are battery motion detectors that call your phone using a sim though. Just wondered if anyone could recommend one?
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