Features:

• Aluminum housing with high grade acrylic panel
• Plastic mounting plate allows top, back or end mount
• Letters 6″ height with 3/4″ stroke
• Double face
• Universal J*box mounting pattern
• 120V/277VAC dual voltage operation
• Built-in 4.8 V 500mAh Nickel-cadmium battery for minimum 90 minutes of emergency operation
• Maximum 24 hours for full recharge time
• Test switch and charge indicator
• 0℃ to 40℃ indoor damp location listed