1.Solar panel: 2v 55MA 2.Product material: ABS plastic 3. Product weight: 0.12kg (single pack) 4. Single box size: 6.5*6.5*26 5. Working time: about 8 hours 6.Battery capacity: 1.2V 600mah NI-MH 7. Service life: about 1-2 years Quick results: As this mole repellent technology is very effective, please distribute these two sets of mole and vole repellents throughout your garden in the event of an existing pest infestation, giving moles and voles the opportunity to escape from your garden. For pure prevention, the sets can then be placed in a central position at a distance of approximately 12 metres. Large effective radius: 2 sets have an effective radius of approximately 920 m2. Please take into account foundations, bed edges and other obstacles in your plans. The device emits ultrasonic waves. Please insert the rodent repeller completely into the ground, approximately 2 cm from the edge. This will give you the best and quickest results. Solar powered, no cost: The Grundy Solar Repeller is charged by a very efficient solar panel and fed into a high quality 1.2 volt NiMH rechargeable battery. This allows you to use the residual heat on rainy days without having to worry about battery replacement and battery costs. Waterproof and corrosion resistant: The robust ABS design is particularly water resistant to IP56 and is very resistant to corrosion compared to metal sleeve solutions. As a result, you can enjoy your effective rodent repeller for a long time.