Smart Temperature Display Tumbler - 24H Vacuum Insulated Stainless Steel Cup With Push-Open Lid (420ml, 4 Colors)

Key Features (Bullet Points): 🌡️ SMART TEMP DISPLAY - Real-time liquid temperature on lid (℃/℉ switchable) ⏱️ 24H EXTREME INSULATION - Keeps coffee hot 24hrs / ice frozen 36hrs (SGS verified) 🔒 ONE-TOUCH LOCKING LID - Patented push-button mechanism prevents leaks ⚡ DROP-RESISTANT DESIGN - Military-grade 201 steel survives 3m impacts 🚗 CAR CUP HOLDER FIT - 6.5cm base fits 95% vehicles Product Description: The Ultimate Adventure Companion Engineered for outdoor enthusiasts, this smart tumbler combines German vacuum tech with Japanese temp sensors. The innovative lid displays exact liquid temperature - perfect for preventing burns while camping or optimizing workout hydration. Tech Innovations: ► Dual-Wall Vacuum: 0.03W/m·K insulation (aerospace-grade) ► Health-Safe 304 Core: Prevents metallic taste (EU 1935/2004 compliant) ► Shock-Absorbing Base: Silicone dampeners protect against drops ► Two Capacity Options: 320ml (backpack) / 420ml (car travel) Technical Specifications: Materials: 304 inner / 201 outer / BPA-free silicone Temp Range: -20°C to 100°C (-4°F to 212°F) Dimensions: 420ml: Ø65×200mm Battery: CR2032 (lasts 2+ years)