Brand new patented design Emergency Ceiling Light Plastic shell Novel and unique appearance Unique constant flow pressure technology with accurate control of voltage and current promoting stable performance Intelligent automatic breakdown ***ection Long life***n and high brightness LED source High-quality non-maintenance Li-ion rechargeable battery series Input voltage: 220V AC Emergency time: >90 minutes Charging time: <24 hours Power: 1W Dimensions:Ø130 x 37mm