Feature: 1. WATERPROOF PROBE: The tube blockage detector is equipped with waterproof probes, suitable for plastic pipes, cement pipes, or metal pipes, and can cope with various environments. 2. ABS PLASTIC SHELL: The water pipe blockage detector housing is made of excellent ABS material, which is impact resistant and scratch resistant, greatly extending its service life. 3. WITH 7PCS PROBES: The pipeline obstacle scanner is equipped with 7 waterproof probes, which are easy to install and replace, making it easy to use anytime and anywhere. 4. PIPE DETECTION: This detector kit can quickly locate any pipe blockage, and can detect 0‑15cm metal pipe and 0‑40cm non metallic pipe, making it efficient and convenient. 5. OTHER FUNCTIONS: The receiver supports sensitivity adjustment and sound prompt, greatly improving detection efficiency. Both the receiver and transmitter have built in batteries. Specification: Item Type: Pipe Blockage Detector Model: English NF-5120 with 7 Probes Emitter: Pipe Line Length: Approx. 20 meter / 65.6ft Application: PVC pipe, plastic pipe, steel pipe, copper pipe, cement pipe, iron pipe, metal pipe Power Supply Method: 1 x Lithium Battery 600mAh (built in battery) Working Frequency: 300Hz Full Charge Working Time: 10H Working Temperature: 10-40℃ Receiver: Sensitivity Adjustment: Support Detection Distance: Non Metal Tube: Approx. 0-40cm / 0-15.7in Metal Tube: Approx. 0-15cm / 0-5.9in Power Supply Method: 1 x Polymer Lithium Battery 1400mAh (built in battery) Working Frequency: 300Hz Full Charge Working Time: 5H Operating Temperature: 10-40℃ Storage Temperature: -10-50℃ Sound Prompt: Support. Package List: 1 x Transmitter Host1 x Receiver1 x Charging Cable1 x Headset6 Packs Transmitter Probe Accessories1 x Use Manual1 x Storage Box1 x Storage Bag