The Affordable Future Call EM Help Speakerphone has BIG buttons for easy dialing. Features include: 2 Way speakerphone with volume control, receiving volume gain +40dB, receiving tone gain +/-10dB, speech volume gain +/-3dB, red 911 emergency key (this number is backed up even if the unit is unplugged from the line), hearing aid compatible, bright neon for incoming calls (PBX message light), desk/wall mountable. Length: 8.5in Height: 9in Width 2.5in
