Ends 5/30. Amazon has the Minger Govee Wireless Bluetooth Thermometer / Hygrometer for $20 - $2 off coupon clip (in Special Offers) - $6 off with coupon R2E3BTBJ = $12 with free shipping for Prime members or on $25+. Features LCD screen, -68°F to 140°F temperature measurement range, 0% to 99% humidity measurement range, alarms and 2-year data history via the Govee Home mobile app.
Amazon has the BN-Link Mini Wireless Remote Control Outlet Switch 7-Pack (BNC-60/U116R-5) for $27 - $9 off with coupon MEMO2020 = $18 with free shipping on $25+ or with Prime. Features range of up to 100 feet, 2 remote controls, 5 outlets. Signal can function as far as 100 ft in line of sight.
Has excellent Amazon Reviews.