Accurate weather tracking Monitor temperature, humidity and atmospheric pressure with this 130 mm 3in1 weather station thermometer, hygrometer and barometer for home use. It reads climate changes precisely, helping you anticipate shifts and plan your day more effectively. No battery required This indoor barometer uses a mechanical movement powered by environmental conditions, so it operates without batteries or external power. Place it anywhere in your home and receive continuous readings for temperature, humidity and pressure. Precise measurement range Measures from 3050°C, 0100% RH, and 9701050 hPa with a resolution of 2% RH and 1 hPa. Accuracy is ±2°C, ±5% RH (4070% RH), ±5 hPa (9701040 hPa), giving you dependable data to anticipate weather trends in your living space. Long lasting build Crafted in aluminium, this robust instrument resists wear and delivers consistent performance over time. Designed as a decorative yet functional piece, it complements home interiors while serving as a reliable climate monitor. Specifications Size: 130 mm diameter Model: 3in1 weather station thermometer, hygrometer and barometer Material: Aluminium Power: Mechanical movement; no batteries or external power required Measurement range (approx): 3050°C, 0100% RH, 9701050 hPa Resolution: 2% RH, 1 hPa Accuracy: ±2°C, ±5% RH (4070% RH), ±5 hPa (9701040 hPa) Use scenarios Living room or study: keep an eye on indoor comfort and plan activities based on temperature and humidity. Nursery or bedroom: monitor environmental conditions to support comfortable sleep and wellbeing. Greenhouse, conservatory or indoor plants: observe climate trends to protect plants from sudden changes.