Features: This wireless temperature humidity monitor supports remote sensors for multi location tracking, ideal for large homes/offices with real time indoor/outdoor readings, trend arrows, and ℃/℉ toggle via button. Featuring a wall/desktop mountable ABS design with LCD displays on both main unit and remote sensors it integrates alarm clock, weather forecast, and 12/24 hour time formats for comprehensive environmental monitoring. Perfect for parents monitoring nurseries, homeowners managing indoor comfort, gardeners optimizing greenhouses, or warehouse supervisors tracking storage conditions. Operates battery powered (batteries not included) in bedrooms, kitchens, patios, chicken coops, basements, and offices without power outlets. The oversized LCD screen clearly shows temperature/humidity records, delayed data display, and humidity alerts, making it essential for weather sensitive spaces. Specifications: Component: ABS Measurement ranges: Indoor temperature display ranges: -9.9℃ to +50℃ & 14℉ to +122℉ Indoor humidity display ranges: 20% to 95% Outdoor temperature display ranges: -40℃ to +60℃ & -40℉ to +140℉ Outdoor humidity display ranges: 20% to 95% Host Size: about. 150x95x22.5mm/5.91x3.74x0.89in Package Includes: 1pc Thermometers Hygrometer 1pc Transmitter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Weather stations require 3xAAA batteries, Transmitter requires 2xAAA batteries. (Battery NOT include)