This 3rd party backlit speaker mic works like -48A6J microphone. It allows direct keypad frequency entry, or keypad memory channel recall. On transmit, the speaker mic allows manual entry of DTMF tones for autopatch use. Four user-programmable "soft" keys are provided on the microphone, allowing you to bring often-used Menu items, or front panel key functions, to your fingertips This mic speaker is made of material. Compatiable Mobile Radios: FT-7800R FT-7800E FT-7800 FT-7900R FT-8800R FT-8800E FT-8800 FT-8900R FT-8900E FT-8900 FT-2800M FT-2800M FT-1900R FT-1900E FT-1900 FT-2900R FT-2900E FT-2900, FT-1500, FT-1500M, FT-1802, FT-1802M, FT-1807, FT-1807M, FT-1900, FT-1900R, FT-2600M, FT-2600, FT-2800, FT-2800M, FT-2900, FT-2900R, FT-3000, FT-7100, FT-7100M, FT-8100M, FT-8500, FT-8500M mobile radio etc color: Black Material: ABS Package Contents: 1* DTMF Speaker Mic 1* MIC HANGUP CLIP 2* Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.