Cleanse your scent zone with odor-eliminating ozone. With Ozonics completely change the way you hunt and never worry about wind direction & scent control. The Ozonics HR-200 Scent Elimination System with Boost utilizes advanced O3 Ozone Technology sending concentrated ozone downwind to eliminate human scent. Achieves near-100 percent odor removal from a ground blind near-70 percent from a treestand. Compact design features an ultra-quiet fan and silent-touch switches. In addition the HR-200 offers an extra ''Boost'' mode that provides 50 percent greater ozone output for treestand hunting as well as an on-demand battery indicator featuring 4 LEDs for easy monitoring. A rechargeable battery (5 hours runtime in standard 4 hours in Boost) and a tree/blind mount are included. Silent on/off operation at the touch of a button Quiet built-in fan projects odor-destroying ozone over your scent zone Built-in green utility lights illuminate without alerting nearby game Features two levels of ozone output for blind hunting and treestand hunting (boost mode) Patented in-the-field ozone generator molecularly transforms and destroys human scent by altering the human scent code rending it unrecognizable to deer and other big game Built-in battery indicator shows current battery life left base on mode usage Weight: 1.7 lb. Dimensions: 7-3/4 in. x 5-3/8 in. x 3 in.