Features: <br>1  on-board ultra-small PFM controlled DC / DC boost controller chip<br>2  any input 0.9V ~ 5V DC voltage can be stable output voltage of 5V DC<br>3 onboard USB female seat  can be supplied directly to the USB interface device<br>4  on-board input voltage indicator<br>5  PCB size: 34 (mm) x16.2 (mm)<br>Shipping list:<br>5V boost module x 1<br><br>Parcel include:<br>Model:MK_DC_18<br><br><img src="http://gdetail.image-gmkt.com/030/717423496/2016/4/53358a56-a519-4b9a-8da9-8a6a9501b31d.jpg" undefined=""><br><br><img src="http://gdetail.image-gmkt.com/030/717423496/2016/4/ea3a3a47-d27a-4f01-8e7f-d88e5504aee7.jpg" undefined="" width="940" height="495"><br><img src="http://gdetail.image-gmkt.com/030/717423496/2016/4/c88adb3a-2583-46a8-b995-4be7cd9289ef.jpg" undefined=""><br><img src="http://gdetail.image-gmkt.com/030/717423496/2016/4/4e9bbcda-5860-4cbc-af33-8c0c063a81ea.jpg" undefined=""><br><br><br><br>Packaging Details<br>Unit Type: lot (5 pieces/lot) Package Weight: 0.010kg (0.02lb.) Package Size: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)