Dial: 0.3MM aluminum sheet printed with black text on white background.<br> Measuring function parameters: Thermometer: -30-50℃, accuracy: +/-2℃<br> Hygrometer: 0-100%RH, accuracy: +/-5%RH (40-70%RH)<br> Barometer: 950-1070hPa, accuracy: +/-5hpa (980-1040hPa)<br> Clock: The running error is no more than +/-1 second/day<br> Product model:T-H-B-C9193<br> Product name:(thermometer, hygrometer, barometer, clock) four-piece weather station<br> Product materials:brass shell (high-precision polishing and varnishing), plastic bottom shell, acrylic plastic lens, precision temperature-sensitive hairspring, precision humidity-sensitive hairspring, barometer movement with precision gear transmission structure, 1-second precision clock movement. Metal pointer.<br> Product size and weight:<br> Thermometer: diameter 98 x thickness 33mm, 0.07KG;<br> Hygrometer: diameter 98 x thickness 33mm, 0.07KG;<br> Barometer: diameter 98 x thickness 36mm, 0.08KG;<br> Clock: diameter 98 x thickness 32mm, 0.08KG<br> Colour:White & Gold<br> Material:Brass + Plastic<br> Package Contents:<br> 1 * Air pressure gauge<br> 1 * Thermometer<br> 1 * Moisture meter<br> 1 * Timepiece<br> Only the above package content, other products are not included.<br> 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 +/- 1-3cm.