Add $50.00 for FREE shipping
Memorial Day Sale! - 15% Off
You've Selected:
Category
Sensors 
Refinements
Alert Systems & Other Sensors 
Intermediate (Installs < 60 minutes) 
Refine Search By:
Sensor Type
Alert System (1)
Audio Sensors (10)
Carbon Dioxide (1)
Carbon Monoxide (1)
Contact Closure (14)
Contact Closure Sensors (15)
Door / Window (12)
Door Knock Sensor (1)
Floor / Pressure (1)
Garage Door (3)
Glass Break (2)
Humidity (5)
Inactivity (1)
Light Sensor (3)
Motion (9)
Motion / Photocell Sensors (2)
Motion / PIR / Occupancy (17)
Motion Detection - Visual (1)
Perimeter (1)
Photocell Sensor (5)
Power Outage (11)
Pressure / Floor (4)
Smoke / Heat (14)
Surface Mount Sensor (7)
Temperature / Freeze (25)
Vehicle / Driveway (2)
Vibration (2)
Water Leak / Flood (39)
Water Temperature (1)
Compatibility
Contact Closure / Relay (52)
Radio Frequency (RF) (44)
RF Transmission (30)
DTMF / Touch-Tone Telephone (12)
RF Receiver (11)
IP / Network / Ethernet (9)
Z-Wave Compatible (7)
INSTEON (4)
X10 Compatible (4)
Satellite RF (4)
USB (1)
Infrared (IR) (1)
More...
Features
Battery Operated (71)
Wireless (68)
Plug-In (57)
Wired (43)
Hardwired (37)
LED Feedback (37)
Relay Output Support (35)
Audible Indicator (32)
Auto-Shut Off (28)
Battery Backup (25)
Contact Closure Input / Output (20)
Outdoor Rated (9)
More...
Brand
AD HOC Electronics (1)
Aeon Labs (1)
AUTOMATIONtec (5)
CookStop (3)
Cross Point Industries (1)
Dakota Alert (11)
Driven Designs (1)
Dynaquip Controls (3)
First Alert (7)
FortrezZ (4)
GE (5)
GE Security (1)
General Pool & Spa Supply (1)
Guardian Wireless (1)
Heath/Zenith (1)
INSTEON. (4)
Jackson Systems (1)
Krown Manufacturing (2)
Leak-Guardian (2)
LSQ Funding Group (1)
Lutron (1)
Mace Security Products (1)
Netatmo (1)
Nitro Networks (1)
Onsite Pro (17)
Protected Home (3)
Safety Technology International (10)
Schlage (1)
SecurityHawk (3)
SecurityMan (1)
Sensaphone (20)
SensorHawk (5)
Skylink Technologies (14)
Smartenit (1)
SmartGuard (3)
Smarthome (4)
Sonin (1)
Steinel America (1)
Sure Action (1)
Teklink Security (1)
Temperature@lert (1)
Terrapin Communications (4)
United Security (4)
Visonic (5)
WaterCop (3)
Winland Electronics (3)
Price Range
$0 - $25 (27)
$0 - $75 (66)
$0 - $100 (84)
$100 and Up (74)
Other Ways to Shop
New Product (1)
Customer Favorites (16)
On Sale (127)
In Stock (146)
Clearance - Save Up to 90% (3)
Shop with Confidence Smarthome Community Forum - Get Answers Now!
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 1995-2013 SMARTHOME™
Verisign Secure Site Google Wallet Acceptance Mark PayPal Acceptance Mark