4-in-1 Digital Decibel Meter with Temp & Humidity Sensor *Color-Coded Noise Alerts + Type-C Rechargeable | 30-130dB Range* Key Features 🔊 Multifunctional Precision Sound Level: 30–130dB (±1.5dB accuracy) Temperature: -10°C to 60°C / 14°F–140°F (Unit-switchable) Humidity: 20–85% RH detection Triple LED Color Alerts: 🟢 Green (<65dB): Safe zone 🟠 Orange (65–85dB): Caution range 🔴 Red (>85dB): Hazard warning 🔋 Smart User-Centric Design 2000mAh Li-ion Battery: 50+ hours runtime Type-C Fast Charging: Full charge in 2.5hrs (cable included) Auto Power-Off: Adjustable 5–30min energy-saving mode.
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