The LED Corn Lights E27 27W 4000K by Bright Source are energy-efficient lamp bulbs designed for indoor use. These modern bulbs emit warm white light with a colour temperature of 4000k, using 2835 LED chips for a wide beam angle of 180° or more. With a high energy efficiency rating of A, these clear finish bulbs have a long bulb life of 50,000 hours and offer energy-saving benefits. Each bulb is rated at 27W and has a voltage of 240V, making them a practical and environmentally friendly lighting solution for various home and DIY projects.