Uses the principle of Differential Thermal Analysis/ Differential Scanning Calorimetry. Uses MEMS Microsensors, Instrumentation, & Algorithms Explosives Detected: Detects all Classes military, conventional, homemade explosives (RDX, TNT, PETN, Ammonium Nitrate, R-Salt, Plastic Explosives). Visible & audible alerts with sunlight-readable colour display