Contactless Digital Forehead Thermometer, Fast 1 Second Readings for Body or Object Temperature, Backlit Display, Fever Alarm & Color, Memory Recall[FAST, ACCURATE READING] This handheld thermometer is FDA registered and takes only 1 second to read temperature. The temperature measurement is accurate within 0. 5F and is displayed clearly on the large backlit LCD display. [CONTACTLESS PROBE] Uses an infrared sensor to measure body temperature it is completely contact free making it safer and more sanitary to use than traditional thermometers [CELSIUS AND FAHRENHEIT] Easily switch between Celsius

When placed under direct sunlight

can be extended via the USB-GPIB interface converter) interface

This kit teaches how stereo amplifiers take a small signal and "magnify" it to drive two small speakers or stereo headphones

a 110/220V power cord

The battery compartment features an on/off switch and can easily be hidden out of sight inside your vase

this invention kit provides endless hours of fun

a rechargeable lithium ion battery

Track and Auto Measure modes

and a grabbing robot

and reaction to acids

Channel isolation: CH1 || CH2

real time counting display