The 1 & 2 counting units have a range of 0 -999 with a single reset knob. The 2 counter unit has removable tabs for top identification. The 5 & 8 counting units record up to 999. The last unit without a key on the right is the totalizing unit which records the total number of strokes made on other keys. At 100 increments, the totalizing unit rings a bell. Reset knobs are on each side. Removable tabs provide an area for identification of the classification being counted.
100% Satisfaction Guarantee: At Mansion Labs, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Labs in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.