Victor® M754SN Mini PestChaser® Rodent Repeller with Nightlight, 4-PackRepel rodents away with the Mini PestChaser. The Victor Mini PestChaser emits ultrasound at varying volumes (peaking at 100dB) and varying frequencies (ranging from 32 to 62 kHz). This prevents rodents from becoming accustomed to the ultrasound and creates an unfriendly environment that discourages infestations. Mini PestChaser is equipped with a nightlight that provides a soft glow in the dark and is ideal for kitchens, living rooms, dining rooms and