ACCESSORIES

12-Port USB Charger 12-Port USB Charger power by SMART IC, auto identify device, maximize charging speed, Charge up to 12 USB-powered devices at the same time. Features: Powered by SMART IC, charger equipped with 12 ports that automatically identify your devices, and maximize charging speed Output: 12A Input: AC 100V~240V Charge up to 12 different devices (iPhone / iPad / Smartphone / Tablet / DC / MP3 / MP4 / PSP and other devices) at once Output: 0.5A ~ 3.5A automatic identification of charging Max output for single USB port 5V/3.5A Dimension: 170 x 74 x 36mm (approx.) Weight: 212g Package Contents: 1 x 12-Port USB Charger 1 x Power Cord ..

Regulated UK plug top power supply unit. 240 Volt AC Input, 12 Volt DC, 3A output. Use on LED Strip, CCTV  DVR standalone BOX; CCTV camera power adaptor. 2.1 center hole, to be use with 1 to 4 way DC power cord splitter for four camera. Kettle power lead include. It can be use for any other equipments which take DC 12v and Maximum 5amp with positive in 2.1 center hole.   Color: Black Power input: AC 110-240 Volt Power output: DC 12 Volt Power output: Amp 3A Power output: Watts 36 Watts Polarity: Internal = + External = -   ..

Instructions on use The Vernier caliper is an extremely precise measuring instrument; the reading error is 1/20 mm = 0.05 mm. Close the jaws lightly on the object to be measured. If you are measuring something with a round cross section, make sure that the axis of the object is perpendicular to the caliper. This is necessary to ensure that you are measuring the full diameter and not merely a chord. Ignore the top scale, which is calibrated in inches. Use the bottom scale, which is in metric units. Notice that there is a fixed scale and a sliding scale. The boldface numbers on the fixed scale are centimeters. The tick marks on the fixed scale between the boldface numbers are millimeters. There are ten tick marks on the sliding scale..