-LED and LCD alarm indication -Can withstand large output currents, and press buttons to set system parameters to meet applications in different occasions. -DC power supply and operating status are displayed on the front panel. -This product can easily check the running status of the engine and generator. -Applicable scenarios: emergency generator set shutdown; public alarm generator set; high cooling water temperature protection; engine overspeed protection; engine shutdown failure; startup engine failure, Manufacturer: songmeidianzishangwu