This decarb device has an integrated digital thermometer that lets you easily calibrate your oven for precise accuracy while you decarboxylate your herbs. The external digital display lets you monitor the temperature inside your DecarBox™ during decarboxylation without opening the oven, keeping temperatures from fluctuating. The food-grade silicone shell prevents the loss of valuable plant compounds and helps lock in the smell of decarbing herb. The DecarBox™ allows you to effortlessly activate up to 2 ounces of herbs at a time to your specific desired potency!