Features 1、Built in Induction Coil: The receiver has a built in induction coil to receive the magnetic signal from the pipeline, and the coil generates induction current to calculate the direction and position of the transmitter 2、Widely Used: It can be used for water supply pipeline, cable pipeline, pipeline vacuum system, industrial pipeline, underground pipeline construction, underground cave exploration, underwater research and other exploration work 3、512HZ Transmitter: The receiver uses a 512Hz transmitter, which can easily determine the position of the probe. Save time and money, and take advantage of this great function 4、LED Display: The pipeline detection positioned is equipped with LED display. You can view the monitoring data more clearly, conveniently and practically 5、ABS Material: This 512Hz pipe receiver is made of ABS material, waterproof and durable, and can be used for a long time Specifications Item Type: Pipe Inspection Receiver Product Material: ABS Weight: Approx. 2350g / 82.89oz Detector Camera Position: Working Frequency: 512hz Modulation: None Battery: 6 AA Alkaline Batteries (shipped Without Batteries) Use Time: 4 Use of Short Breaks Audio Output: 50 to1000hz Depends on Signal Strength Operating Temperature: - 20°C to 60°C Length After Assembly: 53cm / 20.9in Sensor: Separate Angle Sensor to Obtain Peak and Zero Signal Launcher: Diameter: 26.5mm / 1in Length: 69mm / 2.7in Probe Frequency: 512hz Battery: 1 x AAA (shipped Without Battery) Interface: 1/4 20 Package List 1 x Host 1 x Transmitter 1 x Transmitter Connector 1 x Antenna 1 x Headset 2 x Instructions 1 x Aluminum Box