Cibo Utilitarian Solar Power Ultrasonic Mouse Mole Snakes Repeller For Outdoor Garden Yard,Waterproof It's very safe that is No Poisons, Chemicals, or Traps.So it's not harmful to Children or Pets. The solar mole repeller is effective in an area that is witnin 650 square meters/7,000 Square Feet It's economically.By using fully solar powered,no need for extra batteries.The Advanced Solar Electronic Snake Repeller has high-spec solar panels and an aluminum cannulation. It's portable and lightweight. This repellent is waterproof.It's suitable for all weather conditions.But Choose the best sun location, so the solar panel to can receive the light as directly as possible.By emitting ultrasonic waves, the Solar Mole Repeller drives away underground rodents very effectively. The ultrasonic waves will irritate them, simulate dager, and repel them away from the irradiated area. It usually takes around 10-15 days for arrival, please ignore the time frame shown on Amazon. Thank you.