Eliminate your rodent problem quickly and effectively with the Victor� Rat Zapper� Ultra Rat Trap. From set-up and use through cleaning and maintenance, each zap will be a snap thanks to the easy-to-use design. The ultra-sized chamber is ideal for targeting larger rats that invade your property. This humane trap kills rodents using a high-voltage shock and since rats are able to restart their hearts, the shock is applied for 2 minutes to ensure higher kill rates. To get started, simply apply a high protein bait in the provided bait cup, place the trap in a location with high rodent activity and turn it on.