The Adtemp™ 421 features:

• Measures core temperature instantly from the ear reliably and accurately
• Wide Measurement Range of 32.0°F to 212.0°F ± .4°F or 0.0°C to 100.0°C ± .2°C depending on scale selection
• Probe cover FREE design is less costly and more convenient to use
• Large (6 mm) illuminated display is easy to read
• Compact (5” long, 1.9 oz.) ergonomic design fits comfortably in operator’s hand and patient’s ear
• Audible fever alarm at 99.5°F (37.5°C)
• 12-reading memory
• Complete with lithium battery, storage/travel case, and operating instructions
• Meets ASTM E1965-98 standards for accuracy