4 Pcs Weather Station Kits Portable Marine Wall Barometer Clock Meter Thermometer Hygrometer Kit 1 second accuracy clock movement. Brass casing, high-polished finish with varnish. Plastic bottom case, acrylic plastic lens. Metal pointer, durable. Wall mounting type, no battery-operated. Specification: Name: (thermometer, hygrometer, barometer, clock) four-piece weather station Dial: 0.3MM aluminum sheet Material: brass shell+brass+plastic+metal Color: as shown Size(approx): Thermometer: 98x33mm (DiaxT) Hygrometer: 98x33mm (DiaxT) Barometer: 98x36mm (DiaxT) Clock: 98x32mm (DiaxT) Measurement: Thermometer: -30 ~ 50C, accuracy: +/- 2C; Hygrometer: 0 ~ 100% RH, accuracy: +/- 5% RH (40 ~ 70% RH) Barometer: 950 ~ 1070hPa, accuracy: +/- 5hpa (980 ~ 1040hPa) Clock: travel time error is not more than +/- 1 second / day Package: 1 pc x Thermometer 1 pc x Hygrometer 1 pc x Barometer 1 pc x Clock Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.