MaximalPower Outdoor Yard Sonic Solar Powered Mole Mouse Gopher Rodent Pest Repeller with LED Light Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty. Completely powered by Solar Energy Transmits ultrasonics every 30 seconds Idea pest control device to keep rodents away from your garden or lawns by utilizing both sonic wave sound and vibration technology Works 24 hours to emit sounds to keep moles, gophers, voles, badgers, mice, ferrets and mongoose away from your lawn, gardens and yards forever Radiates in all directions with frequency of 400HZ to 1000HZ and effective range of 6000 square feet or 650 square meters LED light with Automatic Identification System automatically goes on when less light to light up your gardens without interfering with the repeller Easy and safe to use. No Poison, no Chemicals. Chemical free and safe for children and household pets Amazon.com is the only authorized dealer selling MaximalPower brand products. Please make sure your item is ONLY sold and shipped by Amazon.com! All other marketplace vendors are selling counterfeit products that do not perform the same, and/or are not covered by our MaximalPower Warranty. Replaces the OEM battery part numbers: iRobot Roomba 11702, 80501, GD-Roomba-500, VAC-500NMH-33 Battery Type: Ni-Mh. Capacity: 14.4v 2500mAh (Will NOT affect battery compatibility) Integrated microchip prevents overcharging and lengthens battery life! 100% Compatible with original manufacturer equipment.