APC Essential SurgeArrest 5 outlets with Phone Protection 230V (P5BT-SA) - Main Input Voltage: 230 V, network frequency: 50/60 Hz, number of cables: 1, number of power socket outlets: 5, response time: 0 ns common mode, Surge energy rate: 1020 J, Data line protection: RJ11 analog phone line for phone/fax/modem/DSL