Long Range 4000 ft Wireless Loud Doorbell System

Description

You won’t find a wireless doorbell that is more reliable and easy to use than this long range system.  Great for large homes, warehouses and businesses who need an extended range product. Amazing 4000 foot range from transmitter (push button or door window contact) to the chime receiver. Never miss a visitor, customer or delivery again.
There are four volume levels on the receiver, with the highest level rate at approximately 85bD and muted at the lowest setting.  The great thing about this system is that you can add more receivers to help distribute the sound.  For example, you might want to put a receiver in one of the front offices and one in the back of the warehouse.  This way, when a visitor arrives, both areas can hear the sound.  There is no limit to the number of receivers you can add to your system.
Additional
Loud Audio Receivers with 4000 ft Range
or
Wireless Doorbell Buttons for 4000 ft Doorbell System
can be purchased.
The Warehouse Doorbell Kit Features
This doorbell system consists of a universal transmitter which you can use as a long range push button, a door / window contact, and a plugin receiver.
Transmitter Specs & Features:
Rugged, outdoor rated push button or door / window magnetic sensor
Silicon gasket around case and over screw holes prevents moisture from entering unit
Red LED indicator lights when unit is transmitting to receiver
Power source: 3V CR2 battery (included).  This is a high-powered lithium battery that should last approximately 18-24 months.  Receiver indicates when battery is weak.
Transmitter range: up to about 1 mile (1.6 km)*
Frequency: 433 MHz
Dimensions: (W × H × D ) 2 × 3.75 × .875 in. (50.8 × 95.3 × 22.2 mm)
Receiver Specs & Features:
Mute + four different volume levels.  Max volume is approximately 85 dB
Plays 12 different sounds / melodiesPower supply: 12 VDC, 500 mA (included)
1 Ding Dong (high)
2 Ding Dong (low)
3 Westminster
4 Fur Elise
5 Alarm/Siren
6 Coo Coo Clock
7 Bird Chirping
8 Twinkle Twinkle
9 William Tell
10 Cannon in D
11 Morning
12 Toreador March
Wireless range: up to 1 mi. (1.6 km)*
*Actual range will vary depending on local terrain and obstructions.
Dimensions: 3.25 × 1.75 in. (8.25 × 4.45 cm)
Operating temperature: -30 to 120°F (-34.4 to 48.9°C)
Operating frequencies: 433 MHz
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