The Helios can be provided with an optional light(s) with
built-in 85 dB horn that comes mounted and wired to the
instrument or as separate items to be mounted as the user
desires. Meter is sold separately. The MOD-PD2LH Series
is available in three different light configurations. The first
option is a factory ordered Light / Horn with a color of either
red, green, yellow, blue, or white. The second option is a
Light / Horn the user determines the light color (red, green,
yellow, blue or white) by connecting the appropriate wire.
The third option is a Light / Horn with red, yellow, and green
layers the user can turn on independently.