It boasts some great new features, including receiver technology, LED's adjusted by holding down the volume button and pressing the tone button and more. Top tip: For the best bite indication, always use in conjunction with a Bobbin, Hanger or Swinger_Volume control button with seven levelsTone control button with four settingsSensitivity control button with four different settingsDrop back differentialCompatible with Mini Micron X ReceiverTwo Ø5mm High Vis Multi coloured LED's, Green, Blue, Red and OrangeColour selected by holding down volume button and pressing the sensitivity button to changeAdjustable LED brightnessD-Tec Sensing System/Roller wheel technology for clear, consistent bite detectionPower out socket 2.5mm - for use with illuminated bite indicators such as the Fox Illuminated SwingerLow battery warningBatteries are too low when the LEDs automatically begin to flash red every 2 secondsCone speaker for crisp soundRubber inlays to protect your rod and hold it in place on savage bitesOn/off toggle switchKnurled locking collarTakes small N Type/ LR1 batteriesMetal (Alloy) 3/8 BSF thread3 Rod set with receiverProduct code: CEI198