16 W or 20 W LED

White (4000 K typical)
Warm white (3000 K typical)
Blue (470 nm)
Other colors by request

RGB (20W LED only)

Lumen Maintenance
>60,000 hrs
Limited by TM-21 x6 rule
Control Options PWM
(0-10 V→PWM and DMX→PWM conversion available) 
IP RatingIP68
Construction316 marine grade stainless steel
Installation Types

Pre-Installation Blockout
Concrete pour, drive-over & general use applications

Pre-Installation Collar
Decks & grates

Direct Burial
Landscapes, planters & special applications
(consult factory)

Drive-overWith OptiClear™ lens and pre-installation
blockout (LS644-K)
Static Load Rating 1800 kg (3968 lb) with OptiClear™ lens and pre-installation
blockout (
(Load applied to center of glass across 50mm (2") dia. area)
Impact RatingIK9 when using OptiClear™ lens
Standard Inclusions

Teflon coated cover screws

MicroAntiLeach™ cable entry

Ambient Operating    

-20 °C to +50 °C   (-4 °F to 122 °F)

PhotometricsRefer to the Photometric Files page
Glass Temperature

HumanTouch™ compliant ≤65 °C (≤149 °F)

Any luminaire can become hot - take care with appropriate use and placement GripGlass OptionalHumanTouchMicroAntileachOptiClear Optional