4-Pack Solar Ultrasonic Animal & Insect Repeller - Waterproof Outdoor Pest Control for Garden and Lawn

describe Color: Green Set of 4 Product size: 6.2 x 6.2 x 25 cm. Wide effective range == The solar mouse repeller emits ultrasonic waves every 40 seconds, and is effective in all directions within a radius of 650 meters squares (depending on the terrain). SAFE == Provides you with a more humane and safer way to effectively repel pest rodents (like moles and voles), these ultrasonic waves are harmless to humans. Polycrystalline silicon solar panel == Polycrystalline silicon solar panel has high conversion rate power, environmental protection, energy saving, plug and play. Solar panels can provide enough electricity to run the repeller by absorbing light; NI-CD rechargeable battery == High-energy NI-CD rechargeable battery, fully charged, can work continuously for 400 hours. Rainproof == Excellent waterproof and rainproof design, can work well even in rainy days. Essential equipment to protect your backyard, farm, garden, lawn, seedbed and seedlings from rodent damage.Note: The data is all measured manually, please allow some error 1-3cm, due to the light and display difference, there will be some color difference, the actual object received shall prevail.