Extremely reliable LED combination module with high luminosity and extremely high volumeProduct features:for all multivolt base modules 3891x 3 functions (warning, alarm 1, alarm 2) Independent control through separate contacts Warning: 3-fold strobe flash light Alarm 1: strobe flash light and 32 tones adjustable with DIP switch A Alarm 2: continuous light and 32 tones adjustable with DIP switch BblueTechnical data:Flash frequency approx. 85/min max. 105 dB (A) Duty cycle 100% ED -30 °C to +50 °C 92 (D) x 63 mm IP65Multivolt operation 5 Cd (p) Installation instructions:Note:Caution: Please always order the base module (order no. 3891x) separately!