BM220 Optical – acoustic internal indicator is characteristic of highly efficient source of sound, various sources of light, infallible working process, double anti – sabotage protection and classical design. Such characteristics enable universal and wide application of the indicator.

* Optional source of triggering
* Optical signal source – bulbs, diodes or flash
* Acoustic signal source – highly efficient piezo – electric converter or dynamic converter
* Separate controlling inputs for optics and acoustics
* Possibility of selecting sound signal
* 2 melodies
* Possibility of selecting the duration of acoustic signal
* Cladding made of a mixture of ABS and PC (polycarbonate)
* anti – sabotage contactors
* cladding opening
* separation from the wall
* foam used
* modern technology of generating
* optional colour of cladding and light cover
* metal internal cover
* electronics protected against the influence of weather conditions

Technical parameters:

* Sound intensity: 115dB/m
* Nominal supply voltage: 13,8 VDC
* Max. current intake: 500mA
* Sizes: 195 x 145 x 65 mm
* Battery capacity: 7,2V-280mAh