*Injection-molded thermoplastic ABS housing,UL 94V-0 flame rating.
*Innovative,easy installation in minutes
*Letters 6" height with 3/4" stroke,Optional RED letters.
*Removable directional indicators
*Universal J*box mounting pattern.
*120V/277VAC dual voltage operation
*Double face.
*Built -in 3.6V 1200mAh Ni-Mh battery for minimum 90 minutes emergency operation
*Maximum 24 hours for full recharge time
*Test switch and charge indicator
*0℃-40℃ indoor damp location listed