FMF: Fast and simultaneous Multi Frequency or 49 single frequencies from 4 to 45 kHz; All terrain: high performance on land and on the beach; 12 installed factory programs + 12 users; Wide and precise discrimination range; Multiple dynamic audio options: PWM, SQUARE, and more to come; Audio Response, Iron volume, Multi Tones, Notch, Reactivity, Threshold with Audio frequency adjustable + many expert functions; Wireless digital radio link between the coil, the remote control, and the headphones (+ the optional wireless pinpointer MI-6); Waterproof and shockproof remote control: Fully over molded with rubber, multipoint stainless steel connector for charge, updates, wired headphones BH-01 and FX03, backlighted graphic display, pocket sized (hip mount case provided); Waterproof coils 34x28 cm (13x11") 2D - IP 68 compliant - 20m / 66ft (the antenna provided is required when the coil is submerged); Ultra-light detector: start from 750gr; USB software updates for RC, WS6, WSA II and WSA II-XL; High performance lithium batteries (2 year warranty); Battery life: Remote Control up to 25H - Headphones up to 17H - Coil up to 20H depending on programs and frequencies (see instruction manual); Quickly charge all 3 units in 3 hours; 5 Year warranty and designed to last; Made in France; Patents pending