【Product Name】 Heatstroke Prevention Watch Canary Plus 2025 Model 【Condition】 New - Unopened *Shipped anonymously via Yu-Packet Post. 【Product Overview】 Detects risks in hot environments in advance and issues alerts via vibration, sound, and light, prompting salt/water intake and rest. 【Features】 • Heat-Gomori Sensor®: Patented technology that monitors temperature and humidity in real-time. • Easy Operation: Simply press a button and wear it on your wrist. • Dustproof and Waterproof: IP67 standard for reliable durability. • No Maintenance Required: One-season disposable, no charging needed. • Alert Function: Alerts danger with vibration, sound, and light, allowing for immediate recognition of increasing risk.