: Most VTSW alarms and receivers run on a standard 9V battery . These are preferred for their long life and easy availability.
: Most sensitive (activates at 0.5 cm of line movement). Prologic Vtsw Manual
Adjusts how many magnet contacts occur before the alarm triggers. : Most VTSW alarms and receivers run on
: The "hybrid body construction" is rated as 100% waterproof, making the units virtually indestructible against rain and spray. 📄 Support Resources Prologic Vtsw Manual