One-point display type For indoor only Adhesive Irreversible Primary color: White Color after discoloration: Red Discoloration temperature (℃): 50 Measurement method: Irreversible Measurement accuracy: ±2°C Element size (mm): 5×5 Seal size (mm):5×5 床单尺寸(mm):5×5 床单尺寸(mm):5×5