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1Byone Safety Driveway Patrol Infrared And Wireless Home Security Alert Alarm System Kit Color White, Classical Easy Alarms With LED Indicator Weatherproof, Protect Home Garden Garage Shed Business Warehouse Aircraft Hangar Secret Place Space And Anywhere That You Need, Protect Your Privacy, Type QH-0001

Sends alert when people or vehicles enter driveway or approach mailbox
Protect Home Garden Garage Shed Business Warehouse Aircraft Hangar Secret Place Space And Anywhere That You Need, Protect Your Privacy
Portable receiver has three settings: high or low chimes and off
The transmitter requires 3xAAA 1.5V batteries and receiver requires 3xC 1.5V batteries (batteries not included)

There is the best for sheds garden ?

What's in the Package
The driveway alert alarm kit comes with:
1 x Receiver
1 x Transmitter
3 x Wall Plugs
3 x Screws
1 x Instruction Manual

How does it work?
Basically, there are two parts to the Driveway Alert Alarm system.
The Transmitter contains a passive infrared(PIR)sensor, which detects the moving heat created by an automobile's engine(or any other noticeably hot object moving at sufficient speed). It can send signal to the receiver. The transmitter should be deployed outdoors, where it will have a clear view of the driveway.
The Receiver mounts inside your home (or business, warehouse, shed, aircraft hangar, secret underground submarine docking station-where you need it, really, provided

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