A cost effective and energy efficient 15w LED alternative for a traditional 88w equivalent. This LED A65 smart GLS bulb is compatible for use alongside the Amazon Alexa and Google home technology and can be controlled through the downloading of the V-Tac smart mobile and tablet application (Offers multiple functions such as dimming on/off and colour changing). This smart Wifi assisted bulb will emit a warm white (3000K) and RGB colour and benefits from an impressive 30000 hour lifespan. Supplied with an E27 edison screw cap bulb. Product Dimensions Diameter 65mm x Length 135mm.