Fever Insight technology for easy temperature measurement features coloured backlight and number to indicate temperature. Non-invasive for comfort and hygiene and allows temperature measurement even when child is sleeping. Easy to read LCD display shows temperature reading as well as last 12 temperature readings taken for easy comparison. The temperature is read by moving the thermometer over the forehead to measure infrared energy in as little as three seconds, beeping to alert you when a reading has been taken. Traffic light measurement shows green light if temperature is normal, yellow if slightly elevated and red if there is a fever. Professional accuracy to within 0.2*c. Automatic shut-off feature for longer battery life. Size (H)14, (W)6, (D)5cm. Requires 2 x AAA batteries (included). Suitable for all ages. Manufacturer's 3 year guarantee.