The Doublewise team is dedicated to the design and manufacture of marine aids to navigation (AtoN) lighting equipment including Buoy or Lighthouse Lighting, Port & Harbour Entry Lighting systems ,Channel and canal markers, Offshore oil & gas infrastructure, Research buoys and Monitoring Control systems since 2001.
Doublewise® Solar Led marine lanterns can provide 360° visual coverage from 2NM up to 13NM and guide vessels safely into ports and harbors around the world. These solar marine AtoN lights can be installed on buoys and require low maintenance.

The solar powered navigation mark light DWS503 has specially been designed as the solar beacon light for 5 types of marks in IALA Maritime Buoyage System because of its solar self-contained, reliability and durability. This solar led marine beacon can provide 16 flashing Rhythms that comply with IALA, Morse code, SOS code and self-defined codes for every color. These patterns are selected by a touch switch and 4 indicators and can be extended to 256 IALA Rhythms.

Features and benefits

16 Flashing IALA patterns and its visibility 4~5NM

Solar panel 2.7Wp, replaceable Ni-HM battery 4.8Ah/4.8V.

Available in red, amber, white and green.

Turns on at dusk and off at dawn automatically.

Completely self-contained and waterproof IP67.

Charge under nearly all weather conditions and up to 200 hrs of operating capacity from a full charge.

Lens is polycarbonate with anti-UV which is produced by Bayer.

Manufactured to ISO9001:2015 QAS.

Typical Applications

SPECIFICATIONS

SPECIFICATIONS
Average Intensity	Red 80cd; Green 83cd; Amber 77cd; White 86cd
Visibility	4~5 Nautical Miles
Flashing Patterns	16 IALA Characters,Up to 256 IALA Rhythms.
Horizontal Output	360°
Minimum Autonomy	200 Hours
Latitude Range	55°S to 55°N
On/Off Level	60/100 Lux
Lifespan of LEDS	up to 100,000 Hours
Intensity Adjustment or GPS	Optional
Solar panels	Mono-crystalline；2.7Wp；Efficiency 20%
Battery	Ni-Mh , replaceable；4.8Ah/4.8V
Lens Material	Anti-UV Polycarbonate
Colored Lens Option	Red, green, amber, white
Mounting Option	4 bolts or Magnetic base
Weight	1.1kg
Temperature Range	-40℃ to +70℃
Waterproof	IP67 Completely Sealed
Quality Assurance	ISO9001:2015
Patents	ZL201430444455.3

Other Relative Products

2~3NM Solar Marine Lantern

DWS303

7~10NM Solar marine buoy Light

DWS703

Size

Accessories

Accessories ——FlangeBase

FAQ

1. How to choose the flashing pattern?
Please see the selecting switch in the bottom of this light and the four indicators at the side of the light,as shown below.

For each color, there are lists of the 16 flashing patterns as follows.In general,the 16 flashing codes have included all of IALA recommendation codes.For example,the IALA recommendation codes for RED or GREEN only has 9 codes.We can provide up to 256 codes,but the 16 codes is enough to use for most of users.

2.Can the remote control be achieved for solar lights?
Yes, these lights can be controlled to turn on/off and adjust the intensity by a wireless controller .