A low light \'Dusk till Dawn\' sensor allows this 9.5W LED GLS light bulb to illuminate automatically during periods of low light and turn off again during daylight.It\'s an innovative energy saving alternative to traditional incandescent GLS light bulbs, and provides a convenient way of managing your lighting.The LED GLS light bulb emits a bright 806 lumens of warm 2700K light, making it a good choice for general lighting around the home. Its B22d bayonet cap fits existing light fixtures, so if you\'re upgrading from incandescent light bulbs, all you need to do is remove the current light bulb and replace it with this energy saving alternative. A long 25,000 hour life means that the light bulb will not need replacing again for years.Please note, this light bulb is not suitable for dimming and is for indoor use or within a suitable IP rated fitting.Features a BC-B22d bayonet (22mm) cap base. Also known as an A60 light bulb.Need more help in choosing a suitable light bulb? Read our guide What is a GLS Light Bulb.