Outdoor 4-in-1 device in yellow with durable ABS construction - Accurate height measurement: Provides precise absolute altitude with a clear 60 mm dial for easy reading. Ideal for hikers, climbers, and outdoor enthusiasts to gauge terrain, monitor elevation gain, and plan routes accordingly. - Weather forecasting capability: Built-in barometer tracks atmospheric pressure trends to help predict weather changes during outdoor activities. Enables informed decisions and better preparation for shifting conditions. - Comprehensive temperature monitoring: Integrated thermometer delivers accurate temperature readings, adding an important dimension to environmental awareness. Helps anticipate conditions and adjust plans and gear. - Compact and portable design: Sized at 85 x 68 x 28 mm, this compact yellow device fits easily in a pocket or can be attached to gear. ABS construction ensures durability for repeated use in rugged outdoor environments and does not require batteries or maintenance. 2-3 practical use scenarios - Day hike or peak ascent: Use the altitude readout to monitor progress, estimate remaining distance to the summit, and adjust pace and route planning on changing terrain. - Backpacking or multi-day trek: Monitor barometric pressure trends to anticipate weather shifts, choose shelter locations, and adapt daily plans to keep safety and comfort a priority. - Outdoor exploration in variable temperatures: Track temperature changes during travel to choose appropriate layers and gear, improving readiness for upcoming conditions.