Find Residential Signals & Detectors and 1,000's of other products at ElectricianSupplies.com! Email, Skype or Call us with any questions or special requests. We do stock Residential Signals & Detectors and they usually ship within #time#. We work very hard to honor our shipping and delivery estimates! At ElectricianSupplies.com, your satisfaction is our number 1 concern! We've been at it for over 15 years and we have satified thousands of customers like you.