Luxeon 6W LED bulb<br /> Convenient dual output design (1W or 6W)<br /> Ultra compact design with 3.9" (10cm) length<br /> <font face="Arial" size="2">Waterproof and anti-shock</font><font size="2"><br /> Long hours </font><font face="Arial" size="2">bulb life</font><font size="2"> with s</font><font face="Arial" size="2">uper-bright white light output</font>Note: the MTE manufacturer is no longer producing the MTE 6W mini lights now and we are unable to get any shipment from them. The current 6W mini light is still 1x 3.6V CR123A but it has plastic reflector inside. Price has been lowered to reflect lowered costs. <em>?</em><em>(Thank you Rick for reminding me to update this)</em>                                                                                                                                - Powered by one HOVET 3.6V CR123A battery<br />- Material: Aluminum alloy body* Use only HOVET 3.6V CR123A rechargeable batteries for maximum 6W performance. You can also use 3.0V batteries on it、 but it will not be as bright as the intended 3.6V batteries. Cost efficient to operate with rechargeable CR123A batteries available here for very reasonable price.<br /><br />Length: 3.9 "<br />Width: 1 "<br />Weight: 2.4 oz<br /><br />Length: 10 cm<br />Width: 2.5 cm<br />Weight: 69 gram<br /><br /><br /><br />