Bell & Howell Pest Repeller 6-Pack Complete Home Kit

Drive mice, rats and insects out of your house without using poisons or traps! This 6-pack of plug-in pest repellers produces ultrasonic sound waves that pesky critters can't handle, but humans can't even hear. Repels rodents, ants, spiders and roaches. Not for use around pet hamsters, gerbils, rodents or tarantulas; safe for use around cats and dogs. Includes 2 each of 3 sizes for every area of your house, including:

• 2 Large – with built-in nightlight and extra outlet on the side of the unit; 3 ½" l x 3 ½" w x 1 ½" h
• 2 Medium - 2 ½" l x 3 ¼" w x 2 ¼" h
• 2 Micro -2 ¼" l x 2 ¼" w x 1 ¾" h