Sengled Smart LED Bulb with Wi-Fi Booster, E26 Base Light Bulb with 2.4GHz Wi-Fi Range Extender for Whole Home Coverage, App Controlled A19 LED Lights, 40W Equivalent, 1 Pack EXTEND YOUR WI-FI: repeat existing Wi-Fi and increase the range by up to 100 feet EASY INSTALLATION: twist into any standard E26 light socket; no wires required SIMPLE CONNECTION: works with your existing home router or gateway to boost your internet APP CONTROL: use the iOS or Android app to dim the light and control wireless settings ENERGY SAVING: LED bulbs use 80% less energy than incandescent lights and last for 25,000 hours (20 years)