The Westin Drop Back Indicator With LED is an electronic bite indicator designed for dead baiting, where a reliable bite indication system is essential. It offers maximum sensitivity through a super sensitive drop arm and a range of high visibility LED colours. - High Vis Multi LED’s, Purple, Red, Green and Blue - Super sensitive drop arm for maximum bite indication - Volume control button with On/Off setting - Sensitivity control wheel on drop arm - Hi-Tech Speaker for crisp sound - Sensitive drop arm with adjustable weight - Adjustable line clip with bobbin in matching LED colour - Two coated bank stick clips for maximum grip - Takes 9V Type batteries