1) 12/24 hour format  selectable <br><br>2) Date and week display(date/month week)?year range: 2000-2099 <br><br>3) Indoor/outdoor temperature display <br><br>4) Car power lead?blue and orange backlight?suitable for 12/24v input <br><br>5) Clock display powered by 1x CR2032 button battery (included)  <br><br>6) Backlight and temperature display powered by cigarette lighter charger (plug included)  <br><br>7) Internal temperature range: -20? - +70 <br><br>8) External temperature range: -20? - +70? <br><br>9) Backlight color: blue or orange (selectable with the switch on the item) <br><br>10) Size: 87x34x20mm <br><br>-External Temperature Probe Sensor length: 144cm <br><br>-12v Car charger cable length: 144cm <div class="params_begin">Specification:</div><div class="params_group"><table border="0" class="params_group_table">  <tr>	<td class="params_group_name">			Package Weight		</td>	<td class="params_props">			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">One Package Weight</td>			<td class="params_value">				0.17kgs / 0.37lb			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Qty per Carton</td>			<td class="params_value">				100			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Weight</td>			<td class="params_value">				12.00kgs / 26.46lb			</td>					</tr>		  </table>		</div>			<div class="params_prop last_prop">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Size</td>			<td class="params_value">				40cm * 30cm * 30cm / 15.75inch * 11.81inch * 11.81inch			</td>					</tr>		  </table>		</div>		</td>  </tr></table></div><div class="params_end"></div> <p><img src="//lh3.googleusercontent.com/-M5fledHLjQ4/V4XeimyMX2I/AAAAAAAAiJU/5Fd9c476-P4b5Y6mSiIcqvXlfg_HME0sQCCo/s829/sg%2Bback.jpg" alt="" /></p>