When the 2 parts of the door alarm sensing unit are separated more than 1.2 inch, door sensing unit will be triggered, then the receiver will get signal from the sensing unit. You will hear the doorbell ring when someone opening your door/window or your family pet getting back, which can help prevent break-ins, keep your kids and animal safe, and never miss out on a customer when they come. It is perfect door alarms for home, workplace, shop, storage facility, garages, and more!
- Look after Your Household And Service When the 2 parts of the door alarm sensor are separated more than 1.2 inch, door sensing unit will be set off, then the receiver will get signal from the sensor. You will hear the doorbell ring when someone opening your door/window or your animal getting home, which can help deter break-ins, keep your children and family pet safe, and never ever miss out on a customer when they come. It is ideal door alarms for house, workplace, store, warehouse, garages, and more!
- 150% Increased Operating Variety Contrary to most other wireless door alarms gadgets on the market, which have a maximum operating range of only 200-350 feet in open area, this wireless door sensor can boast an amazing series of 656ft (200m) in open space.
- Expandable & LED Visual Notifies Each receiver can be paired with approximately 50 sensors. Each sensor can be matched with up to 50 receivers. When the door chime receiver and sensing unit signal engage, the LED indication flashes to carry out a visual alter. Excellent visual indicator for you when paying attention to music or for the hearing impaired.
- 52 Melodies with 4-Level of Adjustable Volume The cordless doorbell alarm uses a large selection of 52 chimes for your individual taste, consisting of common ringtone, enjoyable tunes, “we want you a Merry Christmas”,”Jingle bells”and more. 4 levels of adjustable volume from 25db – 110db.
- Easy to Set up Needs no circuitry, simply plug the door entry alarm receiver into any standard outlet. Please take out the battery insulating strip in the sensing unit before usage, then install the door sensing unit onto the door or window with provided double-side tape or screw (the setup gap between 2 parts should < 1.2 inch)