The ADC Adtemp 427 Temple Touch Thermometer (12 per Package) includes two "AAA" batteries that operate the thermometer. Warranty: 2 Years - Defects in Materials and Workmanship under normal use and service. The Adtemp 427 digital thermometer uses a non-invasive temporal temperature measurement using patented conductive technology that delivers clinically accurate readings in about six seconds. This design reduces the risk of cross contamination and avoids the need for costly probe covers. Its ultra-fast response and cost effective design makes it ideal for pediatric and institutional use. Note: Not available for sale in Canada. Features ADC Adtemp 427 Temple Touch Thermometer Features Type: Temple. Technology: Peak-hold. Ideal for the hospital, clinic, or physician office. Auto off function (after 60 seconds) conserves battery life. Audible Alert: Distinctive beep when temperature measurement is complete or unit is powered on/off. Extra large LCD for easier viewing. Last Reading Memory: Displays results of last measurement. Dual Scale (°F / °C). Minimum 1000 full duty cycles over 24 month period. Case Material: Medical grade ABS plastic. Probe Material: Medical grade stainless steel, medical grade ABS plastic. Meets the accuracy requirements for intermittent thermometers under ASTM E1112. Not made with natural rubber latex. Not made with phthalates. CE: Marked for use in the EU. Inspected in the USA. Does not need sheaths for use. Specifications ADC Adtemp 427 Temple Touch Thermometer Specifications Range: 95.0 to 107.6 °F (35.0 to 42.0 °C). Accuracy: 0.2 °F (0.1 °C). Response Time: 6 sec. Battery Type: 1.5 V (AAA). Battery Life: 1,000 uses. Dimensions: 4.7" x 1.17" x 1" (12 cm x 3 cm x 2.4 cm). Weight: 1.3 oz (37 g) including batteries. Operating Environment: 60.8 to 104 °F (16 to 40 °C). Storage Environment: -4 to 122 °F (-20 to 50 °C). Configurations ADC Adtemp 427 Temple Touch Thermometer Configurations #427: Standard Packaging. #427Q: Display/Retail Packaging. Literature ADC Adtemp 427 Temple Touch Thermometer Literature ADC Catalog ADC Adtemp 427 Temple Touch Thermometer Instructions for Use