X-Sense Wi-Fi Thermometer Hygrometer w/ LCD for $15 + free shipping w/ Prime

At $15, this X-Sense STH0A thermometer hygrometer is $5 off and below its 90-day average of $17 on Amazon. The Swiss-made sensor is rated to ±0.36°F for temperature and ±2% for humidity. App features and alerts require the SBS50 Base Station, which is sold separately. Shipping is free for Prime members. Buy Now at Amazon

Features

Shows indoor temperature and humidity on an LCD display Temperature accuracy of ±0.36°F from -4°F to 140°F Humidity accuracy of ±2% from 0 to 99% App shows max, min, and average readings in a graph Up to 12 users can monitor at once Requires the SBS50 Base Station (sold separately) for app features