The Fox Micron MX 4 Rod Bite Alarm Set is a high-quality set of bite alarm designed for ultimate fishing experience. The set includes the reliable D-Tech detection system, an MX Receiver, and comes in a sturdy hard case. The detectors have a Tru-Run roller wheel, rubber snagears, and a 4mm multi-color LED whose color is easily adjustable. With features such as dual step sensitivity, volume control, leading adjustment knob, and a cone speaker, this set offers optimal functionality. Suitable for use with illuminated hangers and runs on 2 AAA batteries (not included). Perfect for anglers seeking reliability and versatility.