T-Power (6.6 ft Long Cable) Compatible Ooma Telo Free Home Phone Service VoIP Phone Device Serial Number : ms1245k Part Number p,n: 110-0110-251 Replacement Ac Dc Adapter T-Power (TM) Made with the highest quality (( Extra Long 6.6ft cable cord )) Total Cord Length Is Extended to 6.6 ft Brand-new Input Voltage Range: AC 100V - 240V 1-year limited warraty. Compatible Models: Ooma Telo Free Home Phone Service VoIP Phone and Device serial number : ms1245k part number p/n: 110-0110-251