One-point display type Can be d in indoors and outdoors Adhesive Primary color: yellowish orange After discoloration color: bright yellowish red Discoloration temperature (℃): 45 Measurement method: reversible Measurement accuracy: ±2°C Element size (mm): 18 Element size (φmm):±2°C 密封尺寸(mm):18 大小(φmm):18 尺寸(φmm):18 大小(φmm):18