Check the listing for details. Electronic Ultrasonic Pest Reject Bug Mosquito Cockroach Mouse Killer Repellers. Color: White, Condition: New. Listed at 5.79 USD. Electronic Ultrasonic Pest Reject Bug Mosquito Cockroach Mouse Killer Repellers Electronic Ultrasonic Pest Reject Bug Mosquito Cockroach Mouse Killer Repellers SHIPPING* Can lustrate house mouse, black beetle, mosquito etc.* Do not harm to human being and pets.* Not have affect on house machine.* No-toxic, safety and environment protected.* Low energy consumption.SpecificationsInput: 110-220V, 50-60HzInput power: 5WOutput audio: 22-65 KHzUsing environment temperature: 0-40°CSize: (90 x 56 x 28)*(L x W x H) mmColor: WhiteNotes1. This machine should be installed at 80-120 centimeter away from the floor, and vertical to the floor and plug to the power socket.2. The installing point should be avoided from carpet, curtain etc attaching sound material. Otherwise, the decrease of the sound pressure will do harm on the effect.3. It’s normal that the mouse and vermin will increase at the beginning of the using days. Because they are moving away from their living place after the attack of ultrasonic.4. To increase the effect, you should use several sets of this machine at the warehouse or goods pile-up, for the best using range is 50 meters. Package Includes1/2/5/10 x Ultrasonic Pest Killer Repeller (As Your Choice)PaymentShipping & HandlingReturns PolicyContact USFeedbackPaymentShipping will be arranged only your payment is cleared.We accept payment by PayPal only.Shipping & HandlingWe ship the same business day if paid by 4pm EST(1pm PDT).We don't ship to APO/FPO and Post Office box addresses, Alaska, Hawaii and Puerto Rico.No shipping on Weekend or Public Holidays & No responsibility for any customs duty.Returns PolicyWe offer a 60 day money back guarantee or exchange.Buyer pays return shipping and we pay replacement shipping.If you want to initiate a return,please contact us to get a returning address before sending the item back.Contact USWe hope that every transaction can have a happy ending. And if you have any more problems, please feel freeeee to contact us. we'll do what we can to help. FeedbackWe believe communication can result in a happier ending before you leave a red or gray feedback. And this account is my baby. I do care about it and will do what I can to protect it.