STH0A Smart Thermometer Hygrometer

App & Alerts: Phone notifications for temperature/humidity range alerts and low battery; 24/7 remote monitoring, graphs with max/min/average data, °F/°C toggle; share with up to 12 users   Precision Sensor: Swiss-made, ±0.36°F (±0.2°C) accuracy from -4°F to 140°F (-20°C to 60°C); ±2% humidity accuracy (0-99%)   Comfort Indicators: Visual icons show comfort levels; customizable settings   Alexa Compatible: Voice control and queries for temperature/humidity readings   Plant Monitoring: Track dew point and VPD (vapor pressure deficit) via app; 24/7 data graphs for optimal growing conditions