The Raticator Max utilizes a revolutionary new Infrared Detection System to sense the presence of a mouse, rat, or other rodent. A high tech delivery system including stainless steel kill pads then delivers a deadly, but humane shock to either mice or rats. This is our SUPER DUTY model, powered by 4 ‘D’ cell batteries (not included) which will humanely exterminate up to 100 rodents or last approximately one year in standby mode. With the Raticator Max you can humanely exterminate rats or mice with very little effort. The Raticator Max provides is the most effective, humane solution to rodent control when compared to all traditional rat trap and mouse trap products. Simply add batteries, bait and place the Raticator where you suspect the rodents are located. The red indicator light on top will blink to inform you of a catch. Cleanup is easy; there is no blood or gore and no poisons to endanger your pets or the environment. Simply pick up the unit and slide the dead rodent into any appropriate receptacle – NEVER TOUCH A DEAD RODENT AGAIN!