Introducing our Wireless Outdoor Thermometer Hygrometer, a high - performance device designed for various settings such as homes, greenhouses, baby rooms, and patios. With a remote range of 330 ft., it can accurately measure temperature and humidity from a distance, penetrating obstacles. The main unit operates within a temperature range of - 35°F to 158°F and a humidity range of 10% to 90%, with an impressive accuracy of +/- 0.5°F and ±2% humidity. The outdoor sensor measures ambient conditions every 30 s, and the main unit supports max/min/current readings. It features a 2.7 in. backlit display with large, easy - to - read digits, ensuring clear visibility in all lighting conditions. Made of durable ABS material, it has an IP66 - rated water - resistant design, making it reliable in harsh weather. The main unit offers flexible installation options, including magnetic mounting, desktop stand placement, and wall - mounted installation. After powering on, simply leave the sensor and host in the same place for 5 - 10 minutes for accurate readings. This all - in - one kit includes an indoor monitor, an outdoor transmitter, and a user manual, providing you with convenient and precise environmental monitoring.