Power Failure Emergency Bulb Lamp $ 5.59 Specification: Power: 12W Input voltage: 85-265 V Lumens: 1400LM Color temperature: white light 6400K Working time in case of power failure: 6-36 hours Charging time: 8-10 hours Lamp base: E27 Battery: 1800 mA (18650 battery) Size:150x80mm Packing List 4 * 12W Rechargeable Emergency Led Bulbs