Product Review

This device is mainly designed to allow users to track cables in the underground or in-side wall. At no time should this device be used on utility mains powered devices or cabling connected to the utility mains. If no Doubt do not use this device and call in a suitably qualified electrical contractor. NF-816 Transmitter specification. Tone frequency: 200kHz The Max length distance: 1000 feet The Max depth distance: 2 feet The Max. working current: Less than 70mA Max. signal voltage: 15Vp-p Signal display: Tone Max. signal voltage: 15Vp-p Battery type: DC9. 0Vx 1pc Dimensions (LxWxD): 49 x 135 x 33mm NF-816 Receiver specification Frequency: 200kHz The Max. working current: Less than 70mA Earphone jack: 1 Battery type: DC9. 0Vx 1pc Dimensions (LxWxD): 43 x 168 x 27mm