Note: The product send is a new version after updating the software, which supports 32 sets of data memory function. But the user manual and package box is old version with 15 sets of data memory, pls subject to the real object. The infrared thermometer is used to measure body or object temperature based on the relationship between temperature and measurable infrared radiation. Simply aim the unit's probe toward the surface to be measured to obtain a quick and accurate temperature. Features: * Non-contact measure body temperature with high . * Optional to switch between human body temperature and surface temperature. * Convertible between °C and °F. Alarm value can be set. * LCD with back-light for use in darkness. Automatic data retention and power-off. * Latest 32 newly measured data can be stored. Specifications: Product Name: Infrared thermometer Power supply: DC3V, 2 * AAA Batteries (not include) Power consumption: ≤150mW Measurement mode: forehead mode (Non contact) Measurement : Body temperature mode: 32°C-42.9°C(±0.2°C/ 0.4°F) Surface mode: 0-100°C, 32-34.9°C (±0.3°C / 0.5°F ) Distance of Measurement: 3-5cm Automatic power off: ≤10 seconds Clinical repeatablility: within ±0.3°C Resolution of display: 0.1°C / 0.1°F Backlight: Support Memory Function: 32 groups of measurement values can be memorized Operating environment: 10°C-40°C(50.0°C-104°C); relative humidity ≤85%RH Package weight: 140g Package size: 18 * 11 * 5.2cm Packing list: 1 * Infrared Thermometer