Norstar T24 KIM Key Indicator Module / Starting From

24 programmable buttons with indicators (for lines, features, and autodial numbers)
Provides busy lamp files/direct station select support
Multiple appearances of target line and hunt groups
Multi-segment indication
Can add 4 T24s per T7316E without the use of a Station Auxiliary Power Supply (SAPS)
Can add 9 T24s per T7316e with the use of a Station Auxiliary Power supply
Desk or wall mount
Compatibility
The Norstar T24 KIM is compatible with BCM 3.5 or later and Norstar 6.1 or later 
The T24 Key Indicator Module (KIM) is a 24-button module that attaches directly to the T7316E telephone.