When the two parts of the door chime sensing unit are separated more than 1.2 inch, door sensor will be triggered, then you will hear the ringtone from the receiver. You will hear the doorbell ring when somebody opening your door/window or your pet coming home, which can assist hinder break-ins, keep your kids and pet safe, and never ever miss a customer when they come. It is perfect door alarms for home, workplace, store, warehouse, garages, and more! They remain in small size and can be set up or placed at any indoor position to provide you with a door entry chime/alert system.
- Take Care Of Your Household And Company When the 2 parts of the door chime sensor are separated more than 1.2 inch, door sensing unit will be activated, then you will hear the ringtone from the receiver. You will hear the doorbell ring when someone opening your door/window or your family pet getting home, which can help prevent break-ins, keep your children and animal safe, and never miss a client when they come. It is perfect door alarms for house, workplace, store, warehouse, garages, and more!
- 150% Increased Operating Range Contrary to most other cordless door alarm devices on the marketplace, which have a maximum operating range of only 200-350 feet in open area, this wireless door alarm can boast a remarkable variety of 656ft (200m) in open area.
- Expandable & LED Visual Signals Each receiver can be matched with up to 50 sensing unit. Each sensing unit can be combined with approximately 50 receivers. When the door chime receiver and sensor signal engage, the LED sign flashes to perform a visual change. Excellent visual indicator for you when listening to music or for the hearing impaired.
- 52 Melodies with 4-Level of Adjustable Volume The cordless doorbell alarm provides a wide choice of 52 chimes for your individual taste, including common ringtone, pleasant tunes 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 get the battery insulating strip in the cordless doorbell sensing unit prior to usage, then set up the door sensor onto the door or window with supplied double-side tape or screw (the installation gap in between 2 parts should < 1.2 inch)