Features: Easy to read 6 digit LCD, up to 4 decimal positions Battery operated (2 AAA batteries included) 3 model variations RB - Rate Only TB - Total Only RT Rate & Totalizer Total reset function can be disabled Display update time: Rate 1.5 sec., Total 0.5 sec Factory calibrated - nothing to program Weather resistant ABS enclosure. NEMA 4X LCD is not recommend for direct sunlight applications