General Tools PTH8708 Digital Temperature and Humidity Pen

Ideal for HVAC, laboratories, hospitals, computer rooms, greenhouses, printing, film processing, and more.Simultaneous displays temperature and humidityData hold freezes measured valuesF/C switchAuto power off after 20 minutesMax/min memoryFits in your shirt pocketCE approvedSpecifications:Temperature range: 14? to 122° (-10? to 50°)Humidity range: 20 to 90% RHTemp. accuracy: ?1.8° (?1°)Humidity Accuracy: ?3% at 10-90% RH at 77° (25°)Resolution: ?0.1?, 1% RHDimensions: 5.9" x 0.8" x 0.6"Power source: 1 "LR44" batteryIncludes:BatteryAll returns on General Tools & Instruments products have a 20% restock fee.General Tools & Instruments PTH8708 Digital Temperature & Humidity Pen