New price low! Amazon has the TP-Link Tapo S500 Smart Light Switch (Alexa & Google Home) on sale for $10.49 - $3 off coupon (click checkbox) = $7.49 with free shipping on $35+ or with Prime. The S500D model with a dimmer switch is $13.

• The S505 single pole Matter compatible option is $12.49, the S505D Dimmer model is $14.