Product Description As a support to the TRIAC dimmer, the HDL-MCR01A.40 is able to provide a single channel output with a constant current. The module makes the connection of lamps in parallel possible, and ensures the current provided is stable. Flicker elimination The module is able eliminate the flickering that occurs when lamps are dimmed by a TRIAC dimmer. Working in conjunction with a TRIAC dimmer it enables the seamless dimming of lamps, LEDs, and electronic transformers. Easy installation As the module has no positive terminal or negative terminal, a user is able to install the module simply and easily. As it is practically impossible to install the module incorrectly, even an inexperienced user can complete the installation. ? 1 channel for load ? 22mA constant current ? Work with TRIAC dimmer