This is the Terpometer some newer innovation in dabbing technology. The purpose of this is to check the real time accurate temperature of your banger/nail for proper and safe temperature of vaporization. Turns on with 3 clicks and will give you accurate readings with color cues red is over 600° green the perfect temp is 540-600° and blue below 540° to indicate it is below ideal temperature. Comes also with threaded dabtool attachment