Add $175.00 for FREE shipping

Wireless Motion Sensor Won't Be Triggered By Pets
Pet-Immune Wireless Motion Sensor (40LB)
Pet-Immune Wireless Motion Sensors
Click for larger image and other views
What's Inside
40lb Pet-Immune Wireless Motion Sensor
Item# 73911
Free shipping on orders over $175 - See Details


  • Completely wireless
  • Can distinguish between pets up to 40 pounds and burglars
  • Employs Visonic's most advanced patented technologies

Essential Info

Expand your Smarthome SecureLinc II Wireless Security System coverage by adding extra motion sensors. Unlike other units, this PIR is smart enough to tell the difference between burglars and your pets by triggering events only if the culprit weighs more than 40 pounds.


What's Included

  • 40-Pound Pet Immune Wireless Motion Detector
  • Battery
  • Instructions
  • More Info

    With a coverage area of 30 by 30 feet, this fully supervised detector will keep your home secure when you're not around. Upon detection of an intruder, the on-board transmitter instantly sends an alert to the SecureLinc II Wireless Security System. With its superior transmission range, this highly accurate unit is able to differentiate between real threats and small pets, allowing your animals to move freely while still ensuring the security of your home. Features patented technologies such as Digital Signal Processing (DSP), "True Motion Recognition" (TMR) and 3D "Target Specific Imaging" (TSI) Cylindrical optics.

    If you have pets that weigh more than 40 pounds, use the 80-pound version.



    Manufacturer Product No.:K-940MCW
    Dimensions:4.1" x 2.4" x 1.3" (104mm x 60mm x 32mm)
    Weight:2.5 oz. (71g)
    Maximum Coverage Range:30' x 30' (9m x 9m), 90°
    Pet Immunity:Up to 40 lbs. (18kg)
    Vertical Adjustment:3-position adjustment scale: 6 ft., 7 ft., and 8 ft. (1.8m, 2.1m, and 2.4m)
    Battery Type:3.6 Volt lithium thionyl chloride (LiSOCl2) battery, size 1/2AA, Tadiran TL-2150
    Nominal Battery Capacity:1 Ah
    Standby Current:0.015mA
    Transmit Current:12 mA (including LED)
    Battery Life Expectancy:3 years (typical use)
    Detector: Dual-element low-noise pyroelectric sensor
    Pulse Counter:Programmable to 1,3 or 5 pulses
    Rearm Timer:2 minutes after last alarm
    Frequencies:315, 433.92, 868.95, 869.2625 MHz
    Transmission Sequence:3 data bursts at variable intervals within 3 seconds
    ID:24-bit factory-selected code, >16 million possible combinations
    Total Message Length:36 bits
    Operating Temperature:14° F to 120° F (-10° C to 49° C)
    Storage Temperature:-4° F to 140° F (-20° C to 60° C)
    FRI Protection:>20 V/m up to 1000 MHz
    Standards:FCC and Directive 1999/5/EC compliant

    Important notes:
    Only merchandise credit for defective items returned within 30 days of purchase. No other returns allowed on this item.
    Manufacturer contact information: Visonic Inc, Tel: (860) 243-0833


    What's Inside       
    What's Inside       


    11 Ratings
    5 star: 55%  (6)
    4 star: 18%  (2)
    3 star: 27%  (3)
    2 star: 0%  (0)
    1 star: 0%  (0)
    Average Customer Rating
    (11 customer ratings)
    Share your thoughts with other customers
    JONATHAN -- berkeley, CA   3/5/2008
    Works well as advertised
    REED -- fridley, MN   1/29/2008
    Seem to work fine, but they have an unusual battery (1/2AA).
    JOHN -- carlisle, PA   11/30/2007
    everything is hooked up and we love it.
    XIAOPING -- farmington, CT   9/28/2007
    It works indoor but not as sensitive as teh motion sensors come with the Securelic system.
    ROBERT -- north palm beach, FL   3/7/2007
    Thje delay is a bit annoying during set up m but it works
    JEFF -- byron, IL   2/20/2007
    Seems to work very well. However the so called height adjustment is ridiculous. I could see no difference in an adjustment that was so miniscule.
    DARREN -- mechanicsville, MD   5/31/2006
    Nice quality sensor. Works well with the SecureLinc system.
    MARK -- puyallup, WA   11/18/2005
    Easy to operate and easy to install
    MIKE -- boise, ID   9/30/2005
    Works as it should.
    SAM -- memphis, TN   9/14/2005
    These appear to work as advertised.
    JOHN -- issaquah, WA   4/28/2005
    works great
    JOHN -- issaquah, WA   4/28/2005
    works great
    RAY -- bordentown, NJ   2/9/2005
    High priced item but they work well!
    HAROLD -- des moines, IA   1/24/2005
    I decided to add two more PIR's to my Securelink wireless alarms system. It was very simple to enroll the new PIR's and they work perfectly. I will be adding more at a later date.
    WENDELL -- sunland, CA   1/3/2005
    works well
    BILLY -- cape carteret, NC   11/9/2004
    TERRY -- holland, MI   4/3/2004
    Did a great job of taking care of a defective unit replacement. Fast service with no hassles. Will gladly order more from them. Thank you for your service and great products at affordable prices!
    IAN -- redlands, CA   9/13/2003
    so far so good


    SecureLinc II Wireless Security System Accessories       
    SecureLinc II Wireless Security System Accessories       

    Related Items

    Sign-up for Exclusive Email offers 
    How to Order Track Your Package Shipping Returns Contact Us Customer Service Retail Store
    Getting Started Learning Center FAQ Dealers Customer Testimonials Affiliate Program
    About Us INSTEON Press Awards Employment Guarantees Security & Privacy
    Free Catalog Email Newsletter Forum RSS Site Map
    Have questions? Call us at 800-762-7846 (Mon-Fri 5am-7pm and Sat 6am-3pm PT) or send us a message
    Place your order by 3pm PT for same day shipping
    Copyright 1995-2014 SMARTHOME™
    Verisign Secure Site PayPal Acceptance Mark