Krown KA300 Wireless Alarm Monitoring System

Brand/Manufacturer: KROWN
Item # Desc Pkg Price
KA300KIT Alarm Monitoring System Kit $11.25
Krown KA300 Wireless Alarm Monitoring System provides a complete reliable source for deaf and hard of hearing individuals to be alerted during emergency situations. This system connects up to three audible alarms such as fire or smoke alarms, carbon monoxide alarms, home security systems, weather alerts and any other audible alarm into one monitoring system. It is a fully wireless system that is easy to install.


  • Krown KA300 Wireless Alarm Monitoring System includes:
    - Alert receiver (KA300RX): Wireless link up to 100 yards
    - Bed shaker receiver with vibrator (KBS300RX): Strong bed shaker for heavy sleepers
    - Transmitter (KA300TX): Place on any detector such as smoke, fire, OH2 Carbon, security, etc
    - Battery backup
  • Designed to fit small, medium or large scale buildings and is an ideal product to make a hotel, dormitory, apartment, home or office accessible
  • Built in time condition signal filter helps to eliminate false alarms
  • Designed to manage 1,024 different codes that are directed into 3 channels
  • Also available (separately):
    - Krown Wireless Transmitter (Code K-KA300TX)
    - Krown Alarm Monitor Receiver (Code K-KA300RX)
    - Krown Bed Shaking Receiver With Vibrator (Code K-KBS300RX)

More Information

  • How It Works:
    The KA300TX transmitter connects directly to the existing alarm.When activated, the KA300TX sends a wireless signal to the KA300RX sound and strobe receiver and the KBS300RX, bed shaker receiver. Both the KA300RX and the KBS300RX receivers function with both an AC power adapter and a 9Volt battery backup in the event of a power outage. The KA300RX sound and strobe receiver is equipped with ultra-bright LEDs that will alert while the KA300RX is functioning solely on the back up battery.
  • Alert Receiver (KA300RX):
    - Wireless link up to 100 yards
    - Powerful Strobe light - 17,000mCd
    - Audible Siren, upto 120dB
    - 1,024 different codes divided to three distinct channels
    - 3 color LED channels: yellow, green and red
    - Kit for hang the system on wall
    - Backup 9V battery
    - AC Adapter 110V Plug
  • Bed Shaker (KBS300RX):
    - Strong bed shaker for heavy sleepers
    - 3 distinct channels, all red LED
    - Backup 9V battery
    - AC Adapter 110V Plug
  • Transmitter (KA300TX):
    Transmit to KA300RX and/or KBS300RX (Bed Shaker)
    - Battery included


Working Frequency433MHz
Transmitter Codes1024
Receiver Memories3
Display Channel3
KA300TX (Transmitter)65mm x 40mm x 17.5mm
KA300RX (Alert recevier)  130mm x 126mm x 58mm
KBS300RX (Bed Shaker)Receiver: 60mm x 97mm x 25mm 
Vibrator: 83mm diameter
KA300TX (Transmitter)40gm
KA300RX (Alert recevier)  380gm
KBS300RX (Bed Shaker)Receiver: 100gm
Vibrator: 110gm
Operation Voltage
KA300TX (Transmitter)3VDC
KA300RX (Alert recevier)  24VAC
KBS300RX (Bed Shaker)12VDC
KA300TX (Transmitter)CR2032
KA300RX (Alert recevier)  9VDC Alkaline
KBS300RX (Bed Shaker)9VDC rechargeable
Strobe Light177mCd

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What is HPFY’s return policy?

Customer satisfaction is our top priority. We stand behind our products. If the merchandise you received is defective or not what you expected it to be, and you wish to return the item, please submit a return request in the My Account section of our website, contact our Customer Service department at (866) 316-0162 / (203) 616-2850 or email us.

  1. Merchandise must be returned within 30 days of the receipt of your order. Returns are not accepted after 30 days.
  2. Items (including parts and accessories) must be returned in new, unused, and resalable condition in its original packaging.
  3. Before returning any product, the buyer must obtain a Return Authorization Number (RA#) from a customer service representative. With your RA# you will receive a prepaid return shipping label.
  4. Orders returned without obtaining an RA# will be entitled to receive only "In-Store Credit" that can be used towards future purchases.
  5. Return orders are subject to a 20% restocking fees.
  6. All custom orders and hygienic items are non-returnable. Refer to the “Non-Returnable Items” section for further details.
  7. Returns will be reviewed and inspected before issuing credit. Please allow 3 to 4 weeks for processing. The credit will be applied to your original method of payment.
  8. If the return is the result of a defective product or shipping error, we will refund the entire purchase amount and return shipping costs.

Which products are Non-Returnable?

Due to the hygienic nature of some items, they are non-returnable. The items listed below are non-returnable:

  1. All hygienic items.
  2. Opened personal care items.
  3. Anything opened, used, or tried on.
  4. All customized items.
  5. Besides these, items that have the “non-returnable” phrase on the website.

We reserve the right to make adjustments due to errors, changing market conditions, product discontinuation or typographical errors in advertisements. Images on the site may not always reflect the actual product. Footrests or leg-rests are not included with wheelchairs unless specified.

How do I receive a return authorization number?

You can submit a return request by logging into your account. You will receive the Return Authorization Number (RA#) details in the email within 2-3 business days.

  • Login to your account
  • Go to “order history”
  • Click on “return order”
  • Fill out the return form and Submit it

If you do not have an email address, we will make other accommodations for RA# Details. Write the RA# on your label affixed to your package prior to shipment.

How long does it take to receive a refund?

Please allow 3 to 4 weeks to process the returns. Once the item is received, and inspected, your refund will be processed and automatically applied to your credit card or original method of payment.

Is there any Restocking Fees?

  1. 20% restocking fees will be applied.
  2. Outbound shipping cost is non-refundable.
  3. For orders that qualified for free shipping, $8.99 will be deducted from the refund if the product is returned.

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