Eagle Tree brand Alerter Buzzer/LEDfor the Eagle Tree Systems Vector Flight Controller.FEATURES:Buzzer provides audible indication of errors and other events withVector equipped modelsLEDs show Vector status, number of GPS satellites in view, and moreLoud multitone buzzer with programmable volumeSmart lost model/battery saver alarmThree bright LEDs with programmable brightness and diffused viewportIdeal for when flying either FPV or LOSFor multirotors, LED brightness and buzzer volume can be programmedto be at highest levels only when armedYOU WILL RECEIVE:Alerter Buzzer/LED6 (15cm) Connection CableSPECIFICATIONS: Length: 1.14 (29mm) Width: 0.75 (19mm) Height: 0.35 (9mm) Weight: 0.14oz (4g) approximatejxs 10/23/15ir/jxs