Bosch EVAX25/4Z Voice Evacuation Sys w/DMR & Microphone 25W 4ZB Grey None

Provides 25 W to power 25 VRMS or 70 VRMS speakers Provides 4 Class B speaker circuits (switchable to 2 Class A circuits) Digitally-recorded automatic evacuation message (up to 20 minutes of message capacity) Built-in alarm and alert signals Live microphone override of message and tone Compatible with 12 V or 24 V, analog-addressable or microprocessor-based fire alarm control panels (FACPs) Voltage, nominal 120 VAC Current, input 0.8 A Power, output 25 W Voltage, output 25 or 70 VRMS, selectable Frequency response 800 to 2800 Hz Voltage 24 VDC Current, input: Alarm Standby1Charging 1.1 A / 2.5 A0.18 A / 1.1 A800 mA Battery sizeMinimumMaximum 24 V, 7 Ah24 V, 18 Ah Battery Type 12 V (two in series) Relative humidity Up to 95%, non-condensing Temperature, operating +32°F to +120°F (0°C to