<ul><li>World Wide Input Voltage 100-240VAC 50/60Hz</li><li>OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)</li><li>Tested Units. In Great Working Condition</li><li>Please check your model whether it is the same as the listing before purchasing. We do not accept responsibility if you purchase wrong products.Thank you!</li><li>Marg 9V AC / DC Adapter For Plantronics Calisto Speaker Phones P820 P825 P830 P835 P820-M P825-M P830-M P835-M 9VDC Power Supply Cord Cable Wall Charger Mains PSU</li></ul><br><br>

Marg 9V AC/DC Adapter for Plantronics Calisto Speaker Phones P820 P825 P830 P835 P820-M P825-M P830-M P835-M 9VDC Power Supply Cord Cable Wall Charger Mains PSU