Dakota Alert BBA-4K-PLUS Break Beam Alert System with Relay

Dakota AlertSKU: BBA-4K-PLUS



Dakota Alert BBA-4K-PLUS Break Beam Monitoring and Alert System with Relay

The BBA-4K-PLUS offers the same great features as the BBA4000 while adding a 12VDC output and two relay outputs that can be used to trigger strobes, sirens or additional remote chimes. Plus they can also be used to connect to an alarm system or the SWITCHSPOT WiFI email/text alert device.

Simple to install, the Dakota Alert Beam Sensors are solar powered wireless infrared break beam (photo beam) sensors designed to warn you of incoming visitors! Designed to avoid detection of small objects such as falling leaves or birds, the break beam sensor is a point to point sensor and will not be activated by any motion outside of the monitored beams. The sensors are powered by lithium ion batteries being recharged through the solar panels during the day for 24/7 security.

Easily mounted, the sensors can be placed high enough to avoid detection of dogs or other small animals, plus they use 'dual' break beam technology. This means that both beams need to be broken simultaneously for an alarm signal to be sent, reducing false alarms.

When the beams are broken, the transmitter sends a wireless signal up to a mile or 5280 feet* to the included wireless receiver. The receiver plugs into a wall outlet and will play your choice from 12 different alert tones. At the same time, an indicator LED will light up on the receiver.

The on board voltage output & relays can be set to trigger for 1 second, 5 seconds, 15 seconds or 5 minutes.

Select from these available tones:

  • Ding Dong (high)
  • Ding Dong (low)
  • Westminster
  • Fure Elise
  • Alarm/Siren
  • Coo Coo Clock
  • Bird Chirping
  • Twinkle Twinkle
  • William Tell
  • Cannon in D
  • Morning
  • Toreador March

The Dakota 4000 system is totally expandable. Up to 16 transmitter on four different zones, each with its own alert tone may be added. Need to set up a larger perimeter to monitor? By adding more BBT400 sensor pairs, each beam can be spread up to 300 feet apart. You can also add any other Dakota Alert 4000 transmitters.

Dakota Alert BBA-4K-PLUS Beam System Specifications:

  • Transmitter Size - 13.25" x 3.25"
  • Wireless Frequency - 434 MHz
  • Wireless Range (from sensors to chime receiver) - up to 5280 feet
  • Power Type - Solar/Lithium Ion Rechargeable (included)
  • Detection Type - Infrared Break Beam
  • Detection Range - up to 300 feet
  • Operating Temp. - (-)30F to 120F
  • RE-4K-PLUS Chime Specifications
  • 2 x Form C relays rated 3A @ 30VDC
  • 1 x 12VDC output rated 400mA
  • Size 6" x 3.5" x 1.5"
  • Wireless Frequency - 434 MHz
  • Zones 4
  • Code Combinations 256
  • Power Supply 12VDC transformer


  • 1 x BBT4000 Break Beam Transmitter Pair
  • 1 x RE-4K-PLUS Chime with power adapter



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