would this work for keeping the pool filled while traveling. ? (monitoring water level with security camera)

Probably not. You set it for a certain time and duration and that is how it works. You would have to be able to change it through a Bluetooth conection. Thus if the unit is within close proximity of a fixed bluetooth device and you could manipulate it remotely then it might work for you.

can it work for a full year with any program or does ir have a max of 7 days scheduling?

It lets you schedule to recur on specific days of the week, so if you wanted to set it to run, say MWF, or TThSat, or every day, that recurrence will continue as long as the battery lasts. You can check the battery status on the app, and turn the programs on, off, or change them from the app. I've got three of these now, and they work well - I typically set the program once for the summer season, and don't have to do anything until I'm ready to turn it off for the winter - but no reason it couldn't run all year. The battery also lasts me all year. The only downside is you have to be VERY close to the timer (like standing within maybe 5 feet of it) to connect to the Bluetooth - there's no way to adjust it remotely.

-is the system waterproof? can is sustain rain? what are the limitations? -battery life expectancy? Thanks

It seems to be waterproof. Ours is out in the open, and we had no issues with it in the one season we have owned it. Battery life is ok so far. We had to get closer to the device (within 10 feet) in order for the Bluetooth to work as it got later in the season. I'd assume we'd need to replace the batteries each year. We use it for about 5 months out of the year.

Can you use the app to turn the unit on and off wireless? Example, I want to activate the unit when a cat is in me yard to turn on/off a sprinkler?

Hahaha yes you can! There is a manual mode

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💧 Water smarter, live greener — control your garden’s hydration with a tap!

WATER WISE PRECISION - Customize exact watering days, durations, and soak intervals to keep your garden thriving while conserving water and cutting runoff.
INSTANT MANUAL WATERING - Onboard button lets you water on demand without your phone—perfect for sudden weather changes or last-minute plant care.
EFFORTLESS SETUP IN SECONDS - Connects instantly to any outdoor faucet with no tools or wiring—perfect for busy professionals and renters alike.
RELIABLE OFF GRID OPERATION - Runs on standard alkaline batteries included, making it ideal for remote gardens, patios, or off-the-grid living.
SMARTPHONE CONTROLLED HYDRATION - Manage your watering schedule anytime, anywhere via the Hunter BTT app—no more guesswork or wasted trips outside.

The Hunter BTT Bluetooth Hose Timer is a sleek, battery-operated smart irrigation device that connects via Bluetooth to your smartphone for effortless, precise watering control. Designed for single-zone outdoor faucets, it offers programmable schedules, manual override, and easy installation without wiring. Ideal for modern gardeners seeking water efficiency and convenience in any outdoor setting.

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