Prologic's R & D department has done it again! The most innovative bite indicator ever has been developed which will take bite indication to a whole new level! Prologic's new revolutionary bite alarm system, Polyphonic, is not only an extremely reliable electronic bite alarm system, utilising the very best components and electronic technology, it is the very first alarm to use Polyphonic tones within its circuit boards. The system allows you to choose from one of 10 polyphonic sounds and 6 different tones. The system is so flexible you can set individual tones for individual alarms. Features for VTSW Alarms include the following: Wireless Remote Functionality. 16 tones, including voice, nature and standard tones. Supplied with 4 Colour LED choices. Specific drop back LED indication. Night light function, with down light. Silent mode. Matt black soft touch finish DV plug out for swinger/hanger, including night light function for illuminated versions. Soft non-slip pads for the rod. All weather protection. Red, green, blue, yellow & smoke down light covers. Operates with 9v battery - battery saving unit circuit. Safe transit on/off switch. Features for VTSW Receivers include the following: Vibration mode which is switch able. Memory function records alarm runs. Ease code set-up control. Volume control. LED indicators. Quality speaker reproduces alarm tones. All weather protection. Matt black soft touch finish Power On / Off switch. Comfortable side finger grips. Long range functionality Operates with 9v battery - battery saving unit circuit. Supplied in a deluxe padded carry case to house alarms & receiver.