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Member Only Item

Mighty Mule Wireless Driveway Alarm with 2 Base Stations

Item #663097


Functional Range of up to 400', Two Base Stations for Multi-room Monitoring

Online Price
Your Price $89.99
Price Per null:
  • Shipping & Handling included *

Member Only Item

The estimated delivery time will be approximately 5 - 7 business days from the time of order.

Keep track of vehicles entering or exiting your property with the Mighty Mule Driveway Alarm. When a vehicle passes the sensor, the base station emits an audible tone at the base stations, alerting you that someone is there.


  • Functional range of up to 400’
  • Economical Security
  • Ideal to monitor parked boats, RV’s, Motorcycles, etc.
  • DIY…… Easy to Install “Plug and Play”
  • Two Base Stations for multi-room monitoring
  • Low battery indicator
  • Electromagnetic sensor only senses large metal objects avoiding false signals due to animals and children
  • 12 Month Limited Warranty

Model: PRO-400D

  • Brand: Mighty Mule
  • Model: PRO-400D
  • Power Source: Battery
  • Range: 400 ft.
  • Sensor Type: Electromagnetic

Standard shipping via UPS Ground is included in the quoted price. The estimated delivery time will be approximately 5 - 7 business days from the time of order.

*Delivery is available to Hawaii. An additional Shipping and Handling fee will apply. This fee will be quoted at checkout. Additional transit time may be required. Delivery is not available to Alaska or Puerto Rico. products can be returned to any of our more than 600 Costco warehouses worldwide.
Membership: We will refund your membership fee in full at any time if you are dissatisfied.

Merchandise: We guarantee your satisfaction on every product we sell with a full refund. The following must be returned within 90 days of purchase for a refund: televisions, projectors, computers, cameras, camcorders, touch screen tablets, MP3 players and cellular phones.

How to Return: For an immediate refund (including shipping and handling), simply return your purchase at any one of our Costco warehouses worldwide. If you are unable to return your order at one of our warehouses, please email customer service or call our customer service center at 1-800-955-2292 for assistance. To expedite the processing of your return, please reference your order number.

If you request an item be picked up for return, the item must be packaged and available for pick up in the same manner as it was delivered.
If your order was delivered "curb side", it will need to be available for curb side pick up.
If the item arrived to you in a box, it will need to be in a box at the time of pick up.

For information or a written copy of the manufacturer's warranty, please contact us at:
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