Fluke Networks 26200900 Pro3000 Tone Generator with ABN Clips and RJ11 Plug Specifications: User interface Slide switch selects Continuity or Tone Mode Push button switch selects SOLID, ALT or OFF Tone mode LED Continuity/Polarity LED Solid Frequency 1000 Hz nominal Alternating Frequency 1000/1500 Hz nominal Over Voltage Protection 60 Vdc in Toner/Polarity Mode Output Power in Tone Mode 8 dbm into 600 ohms Output Voltage Level in Continuity Mode 8 Vdc with fresh battery Battery 9V alkaline Temperature Operating: -20° C to 60° C, Storage: -40° C to 70° C Case dimensions 2.7 in. x 2.4 in. x 1.4 in. (6.9 cm x 6.1 cm x 3.6 cm) Parts: 18 Month