Backup Alarm of type B, C, D & F with with ambient sensing in 2 different sizes. 

BACKUP ALARM (TYPE B/F) 
Voltage:  12V,24V,  
Consumption:  1.0A  
Frequency:  1500Hz 
Sound pressure:  107±4 dB(A) 83-111dB(A) with ambient sensing  

Mode:  Intermittent  

BACKUP ALARM (TYPE B/F)

Voltage:  12V,24V,  

Consumption:  1.0A 

Frequency:  1200Hz 

Sound pressure:  107±4 dB(A) 83-111dB(A) with ambient sensing 

Mode:  Intermittent   

BACKUP ALARM (TYPE C/D/F) 

Voltage:  12V,24V,48V  

Consumption:  1.0A  

Frequency:  1200Hz 

Sound pressure:  97±4 dB(A) 83-102dB(A) with ambient sensing and switchable                  

Mode:  Intermittent     

"SMART" USB CHARGER 

Voltage:  12V,24V 

O/P Voltage:  5.0V DC 

O/P Current:  0.9A to 2.4A  

Feature: automatic adopts to the device connected   

Variants: Quick charger with LED Light