<b>Noted:</b><br>1. Please note that the plug is NOT waterproof so that please keep the plug away from water.<br>2. Please make sure the male/female connectors are connected correctly. If you can not turn on the whole light or 8 tubes, it is caused by the false connection for the connectors, please disconnect them and change another direction to connect them again.<br>3. If you get a set with 8 tubes cascading at the same time, just plug it for a certain time, it will cascade at random, Because every tube has an individual IC control, every tube will fall at random.<br> <br><b> Specifications:</b><br>Plug types: US Plug<br>LED bulbs of per tube: 18<br>Tube Quantity: 8 Tubes<br>Number of LED bulbs: 8 Tubes x 18LED (144LED Lights)<br>Tube length: 30cm/ 11.8inch<br>Tube Dia.: 1cm<br>Total length: 320cm<br>Working Voltage: 110V-220V<br>Watt: 5W<br> <br><b>SurLight</b><br>Trustworthy New Brand with 30 Days Money Back Guarantee and 90 Days Warranty and 100% Satisfaction Guarantee<br>If you have any problem, please email us freely, we will provide the best after-sales service for you.