The Reson8 bell field brings collectively aesthetics and performance in a product designed to exceed all the necessities of EN50131-4 – Security Grade 2, Environmental Class III. With totally built-in sounder/strobe, self-activating cut-off timer and twin standing indication, your alternative of audible/seen warning units has simply been made simpler.
Dual Anti-Tamper Operation. Integral Battery Backup with the integral 12V Ni-Cd battery.
115dB Sounder Output. Fully built-in sounder/strobe. Twin LED Status Indication
Two inner LEDs, one to determine that energy is being equipped, and one to point tamper standing

