Description: Our repellent sends out sonic and vibrations to irritate yards mole, gopher, vole to keep them away the coverage area. Solar energy and sunlight charging design makes it easy and convenient to use. Made of quality ABS material, this product is lightweight and durable to use. The diameter is 6cm, the length is 26cm. It is suitable for home, office, dormitory, classroom, shop, etc. Item Name: Mouse Repellent Material: ABS Duty Cycle: 30s Frequency: 400Hz±100 Solar Panel: 4.3V, 20mAh Features: Ultrasonic, No Radiation, High Efficiency Built-in Battery Type: LFP 14430 3.2V 250mAh Rechargeable Battery Size Details: Diameter: 6cm/2.36" (Approx.) Length: 26cm/10.24" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Instructions: 1. This machine should be installed at 80-120 centimeter away from the floor. It should be vertical to the floor. 2. The installing point should be avoided from attaching sound material (carpet, curtain, etc). The decrease of the sound pressure will do harm on the helminthes effect. It's normal that the number of mouse and vermin will increase at the beginning of the using days. Because they will get away from their living places after the attack of the ultrasonic. 3. Don't clean the machine by strong impregnant, water or damp cloth. Use dry and soft cloth with some neuter wash to clean the machine. 4. Don't drop the machine and make strong striking on it. To increase the effect, you should use several machine at the warehouse or rooms where goods are piling up. Package Includes: 1 x Mouse Repellent