45° gradient efficient charging: Designed for North American users. Surface of solar panel has 45° angle with ground. To make the best of it, we suggest to insert the spike into soil with its solar panel facing south. Principle: This ultrasonic pest control products (ultrasonic pest repeller) produces 400Hz low frequency sound waves to penetrate the soil and expel mole, gopher, vole repellent effectively.And the sonic spikes continue to discourage return visits. Sound waves spread from the center to the surrounding in 49.2 feet radius, and the impact reaches 650 square meters (about 7,000 square feet). In order to expel the burrowing rodents more effectively, it is advisable to install a product every 15m (about 50 feet) and to use it for a long period;This frequency band is harmless to human and pets. The product has no chemical reagents and pesticides,and does not kill any creature.it has no mole poison, mole chaser, mole killer, mole traps that work merciless . Easy installation: Step 1 - Connect the cable connector in the aluminum tube to the top connector, and then connect the aluminum tube to the top. Step 2 - After connecting, insert the aluminum tube into the ground. Make sure the top part is about 2 inches above the ground to avoid water flowing into the interior. Parameters: 1. Acoustic frequency: 400Hz 2. Operating time and interval: Operates 5 seconds at 20 seconds interval. 3. Rechargeable battery: 1.2V/800mAh (included) Note: The effectiveness of the product depends on the type of soil to a large extent. Wet clay is the best conductive medium of sound; it is difficult to spread sound waves in dry, sandy or peat soil. Apello's main products include animal repellent, mole repellent, rat repellent, electronic mouse repeller, pest control spray, pest control ultrasonic: rodent repellent ultrasonic, mice repellent ultrasonic, mouse repellent ultrasonic, gopher repellent ultrasonic.
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