AASTRA M680 80C00010AAAA Expansion Module Provides 16 additional programmable keys with built-in LEDs Compatible with the 6865, 6867, and 6869 phones Paper insert labeling Can be daisy chained with the M685 for a combined total of up to 3 modules No separate power adapter required Features: Accessories : Yes Expansion Modules : Yes Dimensions (LxWxH) : 7.
9 x 7.
9 x 3.
1 Weight : 0.
25 lb.
Country of Origin : China (provided by manufacturer, not verified) Type of Packaging : White Box Warranty : 90 Day