greater lumen values suggest brighter light output, while decreased values show dimmer lighting. one example is, a bulb with 800 lumens will shine brighter than the usual bulb with 500 lumens.
From light bulbs and https://arondpex285147.goabroadblog.com/28944744/tapo-dubai-wifi-camera-motion-sensor-smart-button-light-bulb-wifi-plug-an-overview