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Ultra Bright produces the most powerful solar-powered bulbs on the market, which are featured in these outstanding solar post cap lights made to perfectly fit TimberTech RadianceRail post sleeves. The cap features bulbs underneath the lip of all four sides of the post cap to shine powerfully down the post.

The photocell triggers the light to turn on at dusk and off at sunrise. You can use the included magnet to adjust your solar post caps between 7 levels of brightness. Use the magnet to switch between a warm white light, a golden amber light, or a cool blue light! (See instructions for details.)

This post cap light's durable construction makes it totally waterproof and suitable for marine environments.

*Please note, some assembly is required before use. Remove screws that secure the battery enclosure to connect the battery to the light, then replace the screws. Secure the cap to the post with the included installation screws.

DecksDirect # 6688

Ultra Bright Solar Post Cap Instructions

ColorsBlack, Kona, and White
Pack Size Each
Post Cap Opening Size 5-1/16 in (fits TimberTech RadianceRail 5 in post sleeve)
Voltage Nominal 3.2v Battery, 4v Solar
Wattage 1.00 Watts
Material Type Composite
Bulb 36- Ultra High Intensity Integrated LEDs
Color Temperature White, Amber, or blue (use magnet to alternate between color modes)
(width x depth x height)
7 in x 7 in x 2-5/8 in
Inset Measurement 1-1/8 in
Package Contents (1) cap, (1) 1500mA LiFePo4 rechargeable battery, (1) magnet and (2) installation screws
Illumination Area 7 levels of brightness (user adjustable with magnet)
Warranty View Ultra Bright Warranty Information
Other Initial charge time: 24-48 hours of exposure to sunlight needed
Run time: Varies with exposure to sunlight.
Batteries are not covered under manufacturer warranty.
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