It installs on the exterior of equipment and its lamp projects into the airstream � so there is no need to open the system to install the Hornet, or to change its lamp. Hornet is perfect for today�s applications, providing both peace of mind and an enhanced bottom line.
 Lamp sizes of 12" and 17"
 Safe 24V low-voltage system
 120V plug adapter included
 Modern low-mercury "Green" style lamp technology