Specification: Wattage:125W Approximate incandescent bulb equivalent:625W Voltage: 220V Frequency: 50Hz Color temperature: 5500K Life time: 8000 hours Socket: E27 Size(Approx): 20.9L x 7.8W cm (8.7L x 3.2W inches) Weight (Approx):260g (with Package)/eachUsing tips: Please DO NOT touch the glass directly with your hand， use a clean cloth to install the bulb. Please always HOLD plastic part， NOT the glass part. Frequent turn on/off will reduce working life signicanlty.Package included: 1x Photo Studio Light Bulb