MR 300BL, Outdoor Siren with Blue strobe light, GREY housing

Device Description — MR 300BL

MR 300BL is an outdoor siren featuring a built-in blue strobe light, designed for security alarm systems. It provides a high-power audible alarm together with a bright visual indicator that remains clearly visible even from long distances. Its rugged housing and sabotage-protection features ensure reliable operation in outdoor environments.

Main Features

• Supply voltage: 12 volts DC
• Sound level: approximately 110–118 decibels
• Current consumption: around 200–300 milliamperes (including flash)
• Flash: integrated blue strobe indicator (BL – Blue Light)
• Environmental resistance: weatherproof, UV-resistant, suitable for full outdoor exposure
• Protection features: tamper switches for cover opening and wall removal
• Backup battery: available in versions with built-in battery for power-loss operation
• Housing: durable plastic or ABS with metal protection plate
• Mounting: outdoor / wall-mounted

Notes

• Designed for outdoor use — resistant to rain, cold, heat, and sunlight.
• The blue flash provides strong visual signalling in noisy environments.
• Tamper mechanisms prevent sabotage through opening or removal.
• Battery-equipped versions remain operational even if the main power supply is cut.