Portable Thermo-Hygrometer and Heatstroke Index Meter for Hiking, Camping, and Outdoor Use [-20°C To 90°C] Digital Digital Compass with Instruction Ma

Wear this thermometer at work, camping, mountain climbing, or hiking trips to prevent heatstroke! In winter, you can accurately monitor temperature and humidity even at ski resorts, snowy mountain climbing, or working outdoors in cold regions.

【Wider Measurement Range & High Accuracy】More than 90% of commercially available thermo-hygrometers have a temperature range of -10°C to 50°C with an error of only ±2°C. This product can measure temperatures from -20°C to 90°C with an error of less than ±1°C. While most other thermo-hygrometers have a humidity measurement range of 20% to 99% with an error of ±10%, this product measures humidity from 10% to 95% with an error of only ±3% to 5% RH. It's safe to use in the office, at home, or in harsh environments.

【Stable Measurement Time】Most thermo-hygrometers take 1-2 hours to stabilize. This product's high-sensitivity sensor, high-performance chip, and unique circuit design allow it to display stable temperature and humidity readings in just 10-15 minutes after measurement begins. You can quickly obtain reliable data, whether you're working in a busy workplace or checking daily conditions. ✅ [Earthquake and Disaster Preparedness Useful] Even if your smartphone or GPS becomes unusable during an earthquake or other disaster, you can still check your direction with the built-in compass. It's battery-powered, so it can be used even during a power outage, making it useful for evacuation, health management, and disaster preparedness. ✅ [Specifications] - Applications: Widely used in construction sites, warehouses, farmland, forests, offices, homes, camping, mountain climbing, hiking, and more. - Power supply: One CR2032 button battery pre-installed + one spare included. - Product size: 63mm x 29mm x 13.5mm, Product weight: Approximately 23g. *This product is not waterproof; avoid using it underwater.