What is Reddit's opinion of STV International STV415 Fox Repeller, Green, 32.7x10.5x10 cm?

From 3.5 billion Reddit comments

https://www.amazon.co.uk/Defenders-Jet-Spray-Protector-Motion-Activated-Repellent/dp/B01DACLHT2/ref=asc_df_B01DACLHT2/?tag=googshopuk-21&linkCode=df0&hvadid=224088607899&hvpos=&hvnetw=g&hvrand=15255550141497543159&hvpone=&a...

I'm guessing it's this or similar

https://www.amazon.com.au/Defenders-Jet-Spray-Garden-Protector-Green/dp/B01DACLHT2/ref=asc_df_B01DACLHT2/?tag=googleshopmob-22&linkCode=df0&hvadid=511955915457&hvpos=&hvnetw=g&hvrand=12097681499345428585&hvpone=&hvptwo=...

Or something like this works, our neighbour had cats fighting in his yard and set a couple of them up :)

Google 'motion activated sprinkler' - here's an example:

Defenders STV415 Jet-Spray Pond & Garden Protector