Hornady 050068 Lock-N-Load Auto Charge High-precision powder measure designed for speed and efficiency Large easy-to-read backlit display and easy-to-operate keypad Extreme precision to within 0.1 grains; scale capacity of 1000 grains Automatic and manual dispense options; trickle function Three speed settings; overcharge protection; one year warranty Easy-to-use keypad Large, easy-to-read backlit display Automatic &amp; manual dispense options Trickle function Three speed settings to optimize dispense speed to powder size, shape and charge weight Easy and quick powder changes Cleanup through side drain +/- 0.1 grain accuracy Easy to calibrate Includes 10.00g and 50.00g calibration weights 1000 grains hopper capacity Charge weight of up to 300 grains Overcharge protection