• Input voltage: 220V AC ± 10%, 50/60Hz
• Bulb specification: φ5 LED light
• Continuous illumination time: 1.5 hours
• Recharging time: about 20 hours
• Battery specification: 4.8V, 600mAh Ni-Cd battery
• Wall mount and ceiling mount
• Overcharge and over-discharge protections
• Maintained, AC/DC operated
• Single/double sides are available
•  Different legends are available