R-Tek Digital Thermo Hygro Meter Pen Type RT-110H

FEATURES

• Handheld Digital Temperature and Humidity Meter
• Display of indoor temperature and humidity
• Changeable Temperature Unit (°C/°F)
• MAX/MIN indoor temperature and humidity values are stored in memory.
• Data-hold function
• Temperature Range: -10°C to +50°C (+14°F to +122°F)
• Humidity Range: 20% RH to 99% RH
• Power-supply: 1.5V (AAA size) ×1