With the tp link lb120 smart wi fi led bulb with tunable white light you can control your lighting from anywhere the smart bulb installs as easily as a standard light bulb and connects to your home wi fi in no time through the free kasa app kasa lets you manage your lights with your smartphone or tablet including adjusting brightness setting schedules and scenes and tracking energy used for added convenience you can control the lb120 with your voice when paired with amazon alexa features