Minelab GO-FIND 40 Metal Detector with Carry Bag, Digging Trowel, Finds Pouch and Batteries Includes the following EXTRA Items: Digging Trowel, AA Batteries, Minelab Go-Find Carry Bag and a Minelab Finds Pouch Application	Coin, Relic, Jewellery. Beach & Park | Technology	VLF (VFLEX) | Frequency/Transmission	7.8 kHz | Coil (standard)	10" waterproof Monoloop | Audio Output	Internal speaker & 3.5mm headphone jack. | Visual Display	60mm x 36mm (2.36" x 1.42") LCD | Backlight	Yes Depth Indication	3 level icon | Detect Modes	3 | Discrimination	4 Find Icons  Nail, Foil, Ring, Coin & Treasure View LEDs | Audio tone	Low, Mid1 , High | Ground Balance	Automatic Tracking Pinpoint	Yes (audio & visual) | Sensitivity Adjust	4 Levels | Battery	4x1.5V AA Alkaline/Carbon/Lithium or NiMH/NiCad (not included). | Low battery alert	Audio & visual alert Length	Collapsed: 21.9 in / 555 mm Extended: 51.4 in / 1305 mm | Weight	2.3 lbs / 1.06 kg | Warranty	2 years