TP-Link Kasa Color Changing Smart Bulbs with Alexa/Assistant now start from $10 (33% off)
Kasa Smart Light Bulbs, Full Color Changing Dimmable Smart WiFi Bulbs Compatible with Alexa and Google Home, A19, 9W 800 Lumens,2.4Ghz only, No Hub Required, 4-Pack (KL125P4) - Newegg.com
Amazon.com: Kasa Smart Light Bulb KL110, LED Wi-Fi smart bulb works with Alexa and Google Home, A19 Dimmable, 2.4Ghz, No Hub Required, 800LM Soft White (2700K), 9W (60W Equivalent) : Everything Else
TP-Link Kasa Smart Wi-Fi 60-Watt A19 LED Light Bulb, Dimmable, No Hub Required 2-Pack (KL130) Full Multi-Color Changing KL130P2 - Best Buy
TP-LINK KASA SMART WI-FI LIGHT BULB,DI (KL110P4)
TP-Link LB130 Multicolor Wi-Fi LED review: Too many compromises with this color-changing smart bulb - CNET