Digital Indoor Thermometer Hygrometer Large LCD Temperature Humidity Monitor with Alarm Clock & Max/Min Memory

  • High-Accuracy Dual Monitoring: Measures temperature from -50°C to +70°C (-58°F to +158°F) and relative humidity from 10% to 99% RH with fast refresh cycles.
  • Large-Character Multi-Line LCD: Simultaneously displays real-time temperature, humidity levels, 12/24H digital clock, and calendar date.
  • Max / Min Memory Function: Automatically records and tracks historical peak high and low temperature and humidity values.
  • Selectable Units & Modes: Easy one-touch button toggling between Celsius (°C) / Fahrenheit (°F) and 12-hour / 24-hour time displays.
  • Versatile Dual-Mount Design: Built-in fold-out desktop stand and rear hanging hole for wall or tent frame placement.
  • Multi-Functional Clock: Integrated hourly chime alarm, daily wake-up alarm, and month/date calendar display.
  • OEM / B2B Customization: Private label silk-screen logo printing, custom casing colors, customized retail blister/gift boxes, and bulk export packaging.
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Product Overview

The Digital Indoor Thermometer Hygrometer provides real-time ambient temperature and relative humidity tracking for indoor climate control. Designed with a high-contrast multi-line LCD screen, it gives growers, facility managers, and homeowners clear visibility into their microclimate conditions at a glance. Featuring internal Max/Min memory tracking, switchable °C/°F temperature units, and integrated calendar/alarm functions, this compact sensor is suited for grow tents, greenhouses, laboratories, offices, cigar humidors, and living spaces.

Technical Specifications

ParameterSpecification Details
Product TypeDigital Indoor Thermometer Hygrometer / Weather Station
Temperature Measuring Range-50°C ~ +70°C (-58°F ~ +158°F)
Temperature Accuracy±1.0°C (±1.8°F)
Temperature Resolution0.1°C (0.2°F)
Humidity Measuring Range10% ~ 99% RH
Humidity Accuracy±5% RH (within 40% ~ 80% range)
Humidity Resolution1% RH
Display TypeMulti-Line Segmented Large Character LCD
Unit Modes°C / °F Selectable; 12H / 24H Clock Selectable
Memory FunctionMax / Min Temperature & Humidity Historical Memory
Auxiliary FunctionsDaily Alarm, Hourly Chime, Month & Date Calendar
Power Supply1 x 1.5V AAA Alkaline Battery (Included)
Housing MaterialImpact-Resistant ABS Engineering Plastic
Standard ColorClean White with Black Trim
Dimensions (L x W x H)93 x 100 x 23 mm (3.66″ x 3.94″ x 0.91″)
Product Net / Gross WeightApprox. 95g / 116g (including battery & packaging)
Mounting OptionsRetractable Desktop Kickstand + Wall-Mount Suspension Hole
Standard Package Includes1x Digital Temp/Humidity Monitor, 1x AAA Battery, 1x User Manual

Key Performance Characteristics

  • Clear Microclimate Visibility: Large digits ensure effortless reading from across the room or through clear grow tent observation windows.
  • Accurate Climate Diagnostics: Max/Min memory allows operators to verify overnight temperature drops and humidity spikes without constant manual logging.
  • Low Power Consumption: Ultra-efficient internal IC circuitry delivers long battery life on a single AAA battery.
  • Flexible Placement: Tabletop kickstand provides stable desktop positioning, while the rear suspension hole allows secure mounting on tent poles or drywall screws.

Selection & Application Guide

Target Deployment Environments

  • Indoor Grow Tents & Hydroponics: Essential for maintaining target Vapor Pressure Deficit (VPD), seedling germination humidity, and curing room monitoring.
  • Residential & Smart Home Use: Keeps nursery rooms, living areas, basements, and bedrooms within optimal thermal comfort ranges.
  • Greenhouses & Seed Propagation: Tracks day/night temperature fluctuations and prevents excess humidity build-up that leads to mold.
  • Specialized Storage: Protects musical instruments, cigar humidors, wine cellars, dry boxes, and reptile terrariums from environmental extremes.