MR 300B, Outdoor Siren with Blue strobe light, WHITE housing

Device Description — MR 300B 12V

MR 300B 12V is an outdoor siren equipped with an integrated strobe light and internal backup battery. It is designed for security systems that require a powerful acoustic alarm combined with high-visibility visual indication in outdoor environments. The robust housing and built-in protective features ensure reliable operation under harsh weather conditions.

Main Features

• Supply voltage: 12 volts DC
• Sound level: approximately 110–118 decibels (model-dependent)
• Current consumption: around 250–350 milliamperes (including flash)
• Flash: integrated high-intensity strobe (typically red or blue)
• Environmental resistance: outdoor-rated, UV-resistant, weather-protected
• Protection features: tamper switch for cover and wall removal
• Backup battery: built-in battery enabling operation during power loss
• Housing: durable plastic or ABS with metal reinforcement plate
• Mounting: outdoor / wall-mounted

Notes

• Suitable for full outdoor exposure — resistant to rain, cold, heat, and sunlight.
• The internal battery allows continued operation even if the 12-volt power supply is cut.
• Tamper protection prevents sabotage through opening or removal.
• The bright strobe ensures strong visibility at long distances and in noisy environments.