Add $175.00 for FREE shipping
Learn More!
You've Selected:
Category
Security 
Refinements
Alert Systems 
Heath/Zenith 
Refine Search By:
Sensors
Alert Systems & Other Sensors (18)
Security System Sensors (1)
Alert System Type
Doorbell Alert (17)
Entry Alert (1)
Sensor Type
Contact Closure (1)
Contact Closure Sensors (1)
Door / Window (1)
Doorbell (17)
Compatibility
RF Transmission (14)
Radio Frequency (RF) (5)
Contact Closure / Relay (1)
Features
Battery Operated (16)
Wireless (16)
Outdoor Rated (13)
Wall Mounted (3)
Wired (2)
Hardwired (2)
Backlighting (2)
Plug-In (1)
Audible Indicator (1)
Ease of Installation
Beginner (Installs < 10 minutes) (17)
Intermediate (Installs < 60 minutes) (1)
Price Range
$0 - $25 (9)
$0 - $75 (18)
$0 - $100 (18)
Other Ways to Shop
Customer Favorites (1)
On Sale (18)
In Stock (15)
Clearance - Save Up to 90% (6)
Quantity Discount Available (2)
Shop with Confidence

Sign Up for Email Offers!

Order Your FREE Smarthome Catalog!

Alarm Monitoring For Only $8.95 per Month

Sign-up for Exclusive Email offers 
ORDERING INFO
How to Order Track Your Package Shipping Returns Contact Us Customer Service Retail Store
MORE INFO
Getting Started Learning Center FAQ Dealers Customer Testimonials Affiliate Program
OUR COMPANY
About Us INSTEON Press Awards Employment Guarantees Security & Privacy
STAY INFORMED
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