Cormoran Bite indicator Pro Carp X-5000 Technical features bite indicator: Sensitivity Control function. High power speaker. Adjustable volume. Adjustable pitch. On/off switch.LED light serves as operation indicator/20sec afterglow. LED light string as bite interval indicator (run and fall bite different), lights in red. Night light can be switched on and off separately. Mute button switches volume to \”zero\”. High power speaker. Soft touch finish. Power-out jack. Separate battery compartment. Connector for 9 V block battery.