Features: 5 In 1 Multifunctional Device: This compact tool combines liquid condition assessment, indoor environment monitoring, digital timekeeping, and extra lighting features, perfect for culinary spaces, relaxation zones, or travel applications. Accurate Liquid Condition Assessment: Features responsive metal probes for rapid dissolved substances analysis. Smart Environment Monitor & Timekeeper: Ongoing temperature/moisture readings help maintain pleasant atmospheres, while the precise timing mechanism assists culinary preparation, individual care routines, and workout schedules with exact second measurement. Easy to Read connection: Includes a bright color display and built in base lighting for clear visibility in low light situations such as enclosed cabinets or evening environments. Compact & Resilient Construction: Streamlined pen body (150x20mm) made from strong ABS polymer incorporates water resistant closures. Specifications: Screen display: high- color display (high contrast, multi-color UI connection) Infrastructure: Built-in LiFePO4 battery, supports Type-C fast charging Product size: 150mm × 20mm (simple and -thin pen design) Body substance: High-strength green ABS plastic Sensing hardware: High-sensitivity alloy electrode + rear cell humidity sensing hole Control approach: double physical buttons (power/function switching button + confirm button) Security stage: The bottom is equipped with a waterproof sealing protective cover Package Includes: 1 x 5-in-1 multi-purpose life tester note: Pay attention to the storage methods.