YH155A offers unique flexibility, and is available in varying configurations to suit a range of installaion and intensity requirements. The steel housing is robotically folded for guaranteed precision every time. One or two 20watt solar modules are fitted as standard, and the unit can be really equipped with ancillary equipment. A modular design, all components of the system are replaceable in the unlikely event of damage to the unit. The battery is accessed through the top of the lantern assembly, via a robust swing-hinge. Access to the user-adjustable flash and intensity settings is also achieved through this design. surface buoy China surface buoy for sale uhmwpe navigation buoy uhmwpe navigation buoy manufacturers
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