TOT----After detect gas engine firing signal, flashing hourglass incon indicates when hour meter is accumulating time.Record the total working hours, range from 0-99999H, it is non-resettable.
WATER/SHOCK RESIST----The back of the product is sealed with epoxy plastic and is waterproof to IP68, which keeps it away from moisture or humidity and also protects it from strong vibrations during transportation.
Installation----This product can be directly installed with double-sided tape or screwed.This is very convenient, easy to operate and can be installed in any suitable place.
Others----Easy to install; Detailed instructions included; Waterproof: IP68; Built-in battery; Patented, CE ROHS certified.