Amazon.com : ThermoPro TP65S Cold-Proof Indoor Outdoor Thermometer Wireless, Remote Thermometer Wireless Temperature Monitor of 200FT, Rechargeable Smart Temperature Sensor with Backlit for Home Room Greenhouse : Patio, Lawn & Garden
ThermoPro Indoor Outdoor TX-4 Waterproof Transmitter for TP60S/TP63/TP63A/TP65A sensor only - Walmart.com
Amazon.com: Urageuxy Wireless Hygrometer Indoor Outdoor Temperature and Humidity Gauge for Room Monitoring with 4.8 Inch Large Screen : Patio, Lawn & Garden
Trixie Digital Thermo/Hygrometer with Remote Sensor - Miscota United States of America