1. Use the screw to unscrew the screw and take out the metal rod. After placing 10/2 of salt and 10/5 of water into each plastic round tube, cover the plastic cover after putting the metal bar. Drive the screws and turn on the switch, then can normally operation. 2. This product is made of original ABS plastic, and the new energy seawater is the electrode of the electrolyte metal rod, and it can be used for 1440 hours of lighting time. Environmental protection, safety, energy saving, green. And no need to charge, get rid of the interference of the power supply, anytime and anywhere as long as the salt water is sustainable. 3. Multi-angle lighting, 24 hours continuous shine. There are three block switch, multi angle lighting, it is one of the most novel and popular products.