Battery Backup - 16W Ordering Code: 55391 Specifications Wattage 16W Voltage 120-277V Operating Temperature 50° ~ 122°F Dimensions 9.4in x 1.7in x 1.2in Base Hard Wired Finish White Suitable Location Damp Warranty5 Year QualificationsUL, Title 20 Downloads Spec Sheet 55391_TDS Installation Guide 55390_91_92_install Literature Emergency