Description:Comprehensive Temperature & Humidity Monitor:This advanced thermometer offers a wide indoor temperature range from -9.9C to 60C (14.18F to 140F) and an outdoor temperature range from -40C to 60C (-40F to 140F). It also measures outdoor humidity levels between 10% and 99% RH, ensuring you have all the data you need for optimal climate controlFriendly Features:Easily switch between and Fahrenheit with a simple display toggle. The device records maximum and minimum values over the past 24 hours, providing insights into daily temperature fluctuationsReliable Wireless Transmission:Enjoy seamless data transmission with a wireless range of up to 100 meters in open areas, allowing flexible placement of sensors around your home or greenhouseConvenient Design & Installation Options:The receiver features a support stand for tabletop use or can be wall mounted using the built in hanging hole. Similarly, each transmitter is equipped with a hanging hole for easy wall installation, making setup quickDurability Build & Certified Quality:Constructed from sturdy pp, this thermometer is designed for longevity. It comes with multiple certifications including FCC, CE, and ROHS compliance, ensuring security and reliability in every useSpecification:power supply:receiver:2 AAA(not included);transmitter:2 AAA(not included)indoor temperature range: from -9.9C to 60C (14.18F to 140F)outdoor temperature range: from -40C to 60C (-40F to 140F)outdoor humidity detection range: 10%~99%RHSize Chart:receiver:5.9cmx1.9cmx8.4cm/2.32inchx0.75inchx3.31inchtransmitter:2.5cmx2cmx7.5cm/0.98inchx0.79inchx2.95inchPackage Includes:1x Receiver2x Transmitter1x Bilingual User Manual (English/Chinese)3x PE Bags1x Color Box Packaging