This product has a 512HZ transmitter: the transmitter is suitable for locating damaged pipelines such as underground pipelines and air-conditioning pipelines. The video automatically balances and automatically levels the 512HZ transmitter pipeline locator, and can be used with any 512HZ receiver; Product parameters: 1. Charger: Ac100-240v DC12.6V 2.512hz: built-in 512hz transmitter 3. Automatic balance: yes 4. Battery: light-emitting battery arrester 4.H 5. Battery continuous use time: about 8h 6. Investigation depth: 20M (line length can be selected) 7. Material: high strength fiber tube 8. Camera light source: 12pcs LED high brightness (adjustable) 9. Camera viewing angle: 145 10. Camera size/material: 42MM* 22MM/stainless steel 11. Part size/material of camera protective cover: 38MM* 28MM/plastic steel 12. Part size/material of camera protective cover: 90MM* 28MM/plastic steel with wheels 13. Camera Photo: Color 14. Working temperature: - 15. Storage temperature: 50-80 16. Aluminum box size: 490*335*200mm