SOLAR CHARGE CONTROLLER A. 17 years'experiences B.LED indication,use the MCU ... modes: Light ON +Light OFF;Light ON +×× hour delay OFFCommon Controller; Test, etc, can be set easily . (Only for SDRC,SDRC ... different season (Only for SDRC-MT)M Two output modes:DC output; 1HZ output for needed flashing load, such as LED ...