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><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><br>Package Contents:<br>1 * Air pressure gauge<br>1 * Thermometer<br>1 * Moisture meter<br>1 * Timepiece<br><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.