Dial: 0.3mm aluminum plate printed with black text on white background. Measurement function parameters: Thermometer: -30-50℃, accuracy: +/-2℃ Hygrometer: 0-100%RH, accuracy: +/-5%RH (40-70%RH) Barometer: 950-1070hPa, accuracy: +/-5hpa (980-1040hPa) Clock: The operating error is no more than +/-1 second/day Product model: THB-C9193 Product name: (thermometer, hygrometer, barometer, clock) four-piece weather station Product materials: brass shell (high-precision polishing and painting), plastic base, acrylic plastic lens, precision sensitive hair spring, precision humidity sensitive hair spring, barometer movement with precision gear transmission structure, 1-second precision clockwork. Metal pointer. Product Size and Weight: Thermometer: diameter 98 x thickness 33 mm, 0.07 kg; Hygrometer: diameter 98 x thickness 33 mm, 0.07 kg; Barometer: diameter 98 x thickness 36 mm, 0.08 kg; Clock: diameter 98 x thickness 32 mm, 0.08 kg Color: White & Gold Material: Brass + Plastic Package Contents: 1 * Barometer 1 * Thermometer 1 * Hygrometer 1 * Timer The above package content only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.