The 39mm light is ultra bright high intensity LED. The 4W power 2-SMD LED is long lasting、 low power consumption. The lamp is specifically for plug socket to be easy installation with no modification. The light provides high brightness and wider field of view. The light is perfect as car width / dashboard / reading light lamp.<br /><br /><table width="550px" cellspacing="0" cellpadding="0" border="0" style="border-collapse:collapse"><tr style="height:20px"><td style="width:250px"><strong>Emitter Type:</strong></td><td>LED</td></tr><tr style="height:20px"><td style="width:250px"><strong>Total Emitters:</strong></td><td>2</td></tr><tr style="height:20px"><td style="width:250px"><strong>Power:</strong></td><td>4W</td></tr><tr style="height:20px"><td style="width:250px"><strong>Working Current:</strong></td><td>80mA</td></tr><tr style="height:20px"><td style="width:250px"><strong>Color BIN:</strong></td><td>White</td></tr><tr style="height:20px"><td style="width:250px"><strong>Working Voltage:</strong></td><td>DC 12V</td></tr><tr style="height:20px"><td style="width:250px"><strong>Lighting Angle:</strong></td><td>180 degrees</td></tr><tr style="height:20px"><td style="width:250px"><strong>Luminous Flux:</strong></td><td>120LM</td></tr><tr style="height:20px"><td style="width:250px"><strong>Color Temperature:</strong></td><td>6000~6500K</td></tr><tr style="height:20px"><td style="width:250px"><strong>Application:</strong></td><td>Car width / reading / dashboard light</td></tr></table>                                                                                                                                Dimensions: 1.54 in x 0.39 in x 0.39 in (3.9 cm x 1.0 cm x 1.0 cm)<br />Weight: 0.35 oz (10 g)<br /><br />