Description: Features high-precision sensor probes, more reliable, and more secure to use. Wide Applicability: Designed for all ages, adults, infants and the elderly. Not only does it support forehead or ear function, it can also randomly obtain the surface temperature of any object and the temperature of pets. Large LCD digital display, high brightness with backlight, lightweight and portable for use. Non-contact, safe and clean, can be adjusted within the range of 3-5CM(about) which requires no a fixed measurement distance. Specification: Type: Infrared Color: white+blue Measurement method: non-contact Measuring distance: 3-5cm1.18-1.97in Measurement range: 32 ° C-42.5 ° C (89.6 ° F-108.5 ° F) Maximum allowable tolerance: 32 ℃ -42 ℃ ± 0.2 ℃ 32 ℃ -42 ℃ ± 0.3 ℃ Display resolution: 0.1 ℃ Operating environment: 10 ° C-40 ° C (50 ° F-104 ° F) humidity ≤85% Power: DC 3v (two AA batteries)(not include) Battery tips: low battery reminder Backlight: High intensity backlight Display unit: Celsius (° C) / Fahrenheit (° F) Automatic light machine: 15 seconds Size: about 14.9x7.7x4.3cm Package included: 1 x Infrared 1 x Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement.