RS485 communication controlling sound & light alarm light

The sound and light alarm can be remotely controlled through the command to open the alarm and tone scheduling, tone harmony and beat, and the volume, adjustment and volume can be adjusted through the alarm

Features:

Working principle: 485 command control alarm 

Luminous color: red/yellow/green (one light and three colors) 

Alarm tone: alarm tone/engineering tone 1/engineering tone 2 (special voice can be customized)

alarm volume: loud sound, up to 120 decibels 

Selected Materials: Housing: Cold Rolled Plate, Lampshade: ABS 

Protection Grade: IP65 protection level, dustproof and waterproof, outdoor usable