The finder consists of two devices: a transmitter and a receiver. It is possible to perform measurements on telephone lines, twisted-pair cables and electric cables. The device is designed to recognize and search wires without disturbing their insulation. For telephone lines, it can additionally indicate the line status and facilitate the resolution of installation and maintenance problems. MAIN PARAMETERS Wire type: electric / telephone / twisted pair The maximum length of the telephone line: 3000 m Polarity indicator of telephone wire pairs: for (5V 52V) Continuous output voltage of the transmitter: 8 V DC Power supply: transmitter - 9 V battery; receiver - 9 V battery Max. current consumption of the receiver in standby mode: 10 mA Max. current consumption of the receiver during operation: <40 mA GENERAL FEATURES Product dimensions: transmitter - 74 x 68 x 28 mm; receiver: 208 x 47 x 33 mm Weight: transmitter - 150 g; receiver - 130 g Accessories: batteries