Morningstar SL-20L-24V SunLight 20 Amp 24 volt Solar Charge Controller w/LVD

Morningstar SunLight™ SL-20L-24V Charge Controller Morngstar's SunLight is the world's leading solar lighting controller. We have combined all the advantages of our SunSaver charge controller with some unique lighting control features. ---Includes all the advantages of the SunSaver charge controller. Please refer to SunSaver product information for more details. ---Unique Lighting Control Features ------Using solar array voltage to determine day and night, the SunLight provides 10 different lighting control options. ------By measuring the length of the night, the SunLight's ON/OFF/ON options provide the capability to turn on the light at sunset, turn off the light after 3 to 6 hours, and then turn on the light again for 1 or 2 hours before sunrise.