MSR-230/B 「Bell箱」藍色閃燈警報箱 (Intruder Alarm Sounder)

        Specification: 

• Power Source: DC12V±20% (Built-in NiMH Rechargeable Battery) 
• Current drain: Stand by 15mA±2mA
• Siren Output Rate: Max. 0.3 Amp.
• Operation Temp.: -20°C - 70°C
• Dimension: 194W x 300H x 59D mm
• Back-up Battery: 6V/250mA NiMH