Ultrasonic Electric Anti Mosquito Insect Pest Mouse Repellent Repeller Magnetic Black

Features:
Brand new and high quality.
Not do harm to human being and pets. Also will not have affect on house machine.
Safety and environment protected. Smell-less and flavorless. Teeny used energy.
Notice:
Effect area: 20-30 sq meter (weaken if there is barrier)
Effect time: 2-6 weeks, vary of different environment
Ultrasonic will not effect right away, so keep it turn on all the time
Ultrasonic cannot go through the wall, this item must be installed 20-80 cm above the groud and make it perpendicular to the ground
Package included:
1 x Ultrasonic Pest Repeller