The Halo LT4 series is a retrofit LED Baffle-Trim Module for 4" aperture recessed downlights. The LT4 is designed for use with compatible 4" housings. The LT4 integral LED driver is dimmable at 120 volts. The LT4 lens provides uniform illumination and wet location listing. Precision construction makes any housing AIR-TITE for added HVAC savings and code compliance. Compliant with NFPA 70, NEC section 410.16 (A)(1) and 410.16 (C)(3).