Philips Tunable Wi-Fi T-Bulb B22 (10 W) 1 UnitKey Features Dimmable Voice Control Wi Fi Connectivity Multicolour How to Use Step 1: Make sure your lamp or light fixture is turned off and within 150 feet of your Wi Fi router. Remove the existing bulb.. Step 2: Carefully install your new WiZ smart t bulb and turn your lamp or light fixture on. By default, a new WiZ smart light should be pulsing white or blue when it's turned on for the first time, meaning it is in pairing mode. Step 3: Download the