Smart Wi-Fi Light Switch, Dimmer SPEC: 2.4 GHz, 802.11b/g/n, 120 VAC, 300 W incandescent, 150 W LED/CFL, single pole, neutral wire required, indoor use only FEATURE: Tapo Smart app, no hub required, brightness control, works with Alexa, Google Assistant, and Samsung SmartThings, easy installation (neutral wire required), remote control, schedule, timer, group control, LED indicator, runtime tracking, set scenes, UL certified...