The smart bulb market continues to get more and more crowded, but TP-Link thinks there's room for another device: the Kasa Filament Smart ... the bulb is rated to 800 lumens brightness and will ...

costing $20 to $80, through a range of tests in our labs and at our test track. We tested the low-beam performance of single-filament (9003) and dual-filament (H7) bulbs from GE, Hella ...