JIAWANSHUN 4" Large LED Thermometer Hygrometer with High Brightness Red Display, High Accuracy (-40°F~248°F / 0-100% RH), Features Custom Alarm & Wide Voltage for Industrial, Greenhouse & Farm Use
4" Large LED Display with Wide Viewing:This 4-inch bright LED screen see clearly from 60 feet in low light, with a red backlight for easy visibility in dim industrial and greenhouse environments
High Precision & Wide Reading Range:It accurately measures temperatures from -40°F to 248°F (±0.54°F) and humidity 0-100%RH (±2%RH), powered by high-performance sensors for reliable industrial monitoring
Independent Audible & Visual Alarm:Set separate temperature and humidity thresholds with sound and strobe light alerts. Physical switches let you disable individual alarms to avoid false notifications
Flexible Installation & Wide Voltage:Built-in wall-mount holes support wall or ceiling installation. The 95-235V wide voltage design works with global power grids for worldwide use
Durable Industrial-Grade Build:Features an aluminum alloy frame and PVC screen to resist high-temperature corrosion and workshop vibration, Extends lifespan in factories, greenhouses, and cold storage
