Special Features:

3.5 in. Lg, voltage rating-28 vdc, internal battery accommodation-not included, temp range -40/+100 degrees c, nom. Temp rating-70 degrees c, temp indicating device-not included

Properties:

An electrically heated compartment designed to accommodate and maintain at an essentially constant temperature, one or more components, such as, crystal unit(s), quartz; tuned circuits; integrated circuit devices; and semiconductors. It prevents frequency drift and changes in teperature.