Little Leaf Linden Tree - Tilia Cordata - Excellent Honey Bee Tree - 24" tall potted tree (6 Little Leaf Linden Trees) 2018 Upgraded Pest Control Technology: The Ultrasonic Pest Repellent is completely safe for Children and Pets. The frequency of the sound is only effective for pests such as mice, spiders, mosquitoes, ants, snakes, rats and more. Widely Used: This pest repeller is used forRepelling mice, mosquitoes, ants, rats, roaches, spiders, rodents, bugs, flies, fleas and other insects. Applicable for living room, kitchen, bedroom, bathroom, workshop, big apartment, garage, warehouse, parking lot, etc. Larger Effective Coverage: The effective coverage of each pest control is up to 1600 square feet. It is recommended to install this pest repellent vertically from 32-47 inches away from the ground. For a best result, equipped each room with one pest repellent. Environmentally friendly: Different from the traditional repellent, this electric repeller work more environmentally without harmful chemical composition. Please note that our mosquito repellent takes 3 or 4 weeks to achieve obvious results. Excellent after-sales service: Ensure the satisfied after-sales service for this pest repellent for a period of 60 days after the date of purchase.