This detector has been tested and works great.
SN# 22081128430
Specifications:
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IP68
Fully submersible up to 3 meters (10 ft) and protected from total dust ingress. -
Iron Volume
Turns off or adjusts the volume of the low iron tone. -
Notch Discrimination
Discriminates Target IDs of unwanted metals. -
Search Modes
All Metal / Field / Park / Beach
Simplex Ideal For Park Field Beach All Metal
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Built-in Wireless Module
Compatible with 2.4 GHz Nokta Makro Green Edition Wireless Headphones. -
Vibration
SIMPLEX+ will vibrate upon detection of target! Ideal for the hearing impaired users as well as for detection underwater. -
Frequency Shift
Get rid of EMI easily by shifting the frequency in small increments. -
Fabulous Lighting for Night & Underwater Use
SIMPLEX+ has it all - LCD Backlight, Keypad Backlight and LED Flashlight.
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Retractable Shaft
Shaft retracts down to 63 cm (25"). Great for easy transport, storage as well as diving! -
Lightweight (1.3kg / 2.9Ibs)
Well balanced - Enjoy detecting for extended hours without fatigue. -
Online Firmware Updates
Stay up-to-date with firmware updates (via USB on PC) and get the most out of your detector. -
Built-in Lipo Battery
Easily charge it with a USB powerbank.