It's basically an IR thermometer that outputs a color instead of a number reading. Those "gadgets" are already pretty cheap, so not sure if replacing the expen

It's basically an IR thermometer that outputs a color instead of a number reading. Those "gadgets" are already pretty cheap, so not sure if replacing the expensive passive display with a 15 cent rgb led would make anyone profit. I use this one for checking the oil on my pan to see if it's hot enough for my ribeye steak: http://www.amazon.com/Digital-Non-Contact-Laser-Thermometer-Display/dp/B008QUJILI http://www.amazon.com/Digital-Non-Contact-Laser-Thermometer-... If they used an rgb led instead of the read-out, you might be able to buy one for $5.