Line Locator HighAccuracy Wire Finder RJ45 RJ11 LAN Network Cable Tester TXJ001 Item Type: Line Locator Support Cable Types: 4P/8P network cable, telephone cable, BNC cable, single wire, optical fiber Maximum Test Distance> Approx. 200meter / 656.2ft Maximum Scanning Distance> Approx. 300meter / 984.3ft Signal Frequency: 455Khz Battery Type: 2 x 9V 6f22 (not included) Transmitter Maximum Withstand Voltage: 60V The Highest Withstand Voltage of Receiver: 9V Maximum Power Consumption of Ejector: 0.15W Maximum Receiver Power Consumption: 0.2W Fiber Power: 5mW Environmental Working Temperature: 0℃-55℃ Relative Humidity: 10%-90% (no condensation) Storage Temperature: -10℃-60℃ Relative Humidity: 5%-90% (no condensation)