Mars Discovery 13” DD Coil Minelab X-Terra Dual Frequency 3 & 7.5 kHz Detector vibra-quatic Flashing red LEDs mean it's

Flashing red LEDs mean it's in rapid charge mode

Easy installation as direct replacement for original system box battery

Technical DIY Ready: Built to exact factory schematic specifications to simplify internal housing transfers and ribbon connection alignments

Features: Waterproof

Mars Discovery 13” DD Coil Minelab X-Terra Dual Frequency 3 & 7.5 kHz Detector vibra-quatic Flashing red LEDs mean it'sMars Discovery 13" DD Search Coil with Nut & Bolt, Coil Cover, 2 Rubber Rings, and a Two Year Warranty. Compatible with the Minelab X Terra 505 & X Terra 705 Metal Detectors. Frequencies can be changed by placing a 9V battery on the two prongs on top of the search coil. A green light will appear indicating the frequency has been changed. After the green light appears, turn the metal detector off and then back on to complete the frequency change. The