The Poly/Plantronics Savi OLI, Online Indicator 80287-01 is a wireless accessory or Indicator that lights up and lets others know when you're on the phone. It is compatible with Poly Savi 7200/7300/8200 Voyager 4200 series cordless headsets.
• Easy installation
• Compatibility: Savi 8200, 7200, 7300, W710, W720, W730, W740, CS510, CS520, CS540, Voyager 4200, HL10, MDA200
• Connects directly into the following devices: Poly HL10 Handset Lifter, CS Base station, Savi Base station or MDA200
• 1 x Plantronics Savi OLI Online Indicator 80287-01