brand new and high quality Features: Non-contact measurement. Fever alarm. One button switch of C / F. LCD backlight. 32 group memory. Dual mode of body temperature and temperature. Steps for usage: 1. Place the probe close to the forehead and make a measurement distance of 1~5 for cm on the forehead. 2. Press the measurement button once to turn on the machine, then press the measurement button again (the measurement mode is set to the previous selection by default). 3. Release the button and hear a beep. The LCD displays the current measurement. May be accompanied by the following fever tips: 1 long beep, 3 short beeps (low heat 37.5 ~ 38.4C); 1 long beep; 5 short beeps; (high fever 38.5 ~ 42.9 C). The World for Health Organisation (WHO) provides reference values for human body temperature and forehead temperature: 35.8C ~ 37.8C. Specification: Applicable People: Adults, Children Power Supply: 2 x AAA Batteries (not included) Temperature Mode: / Resolution: 0.1 Display: LCD display with backlight Material: ABS Plastic Size: app.14x4x4cm/5.51x1.57x1.57in Color: White Quantity: 1 Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Forehead Thermometer