The dog dazer II is effective for: Joggers, Bicyclists, Walkers, phone/tv installers, Mail Carriers, Police, Animal Control, Fire/Rescue, Meter Readers, Sales People, Inspectors, Delivery People, and elderly. The Dazer II dog deterrent is a unique and highly effective device for anyone in a situation that meets uncontrolled canines. The ultrasonic Dazer II is a very effective dog deterrent, repeller device and dog stop device. The Dazer II produces a fixed high frequency ultrasonic sound that will force aggressive dogs to keep their distance and is also effective against coyotes. The dazer II is most effective at 25ft or closer but has been tested up to 75ft away. The ultrasonic sound is not physically harmful to the canine and cannot be heard by humans. The Dazer II is a humane substitute for pepper spray or mace which can often backfire on the user. Dazer II produces a high fixed frequency sound that deters dogs and coyotes. Dazer II Dog Deterrents are humane and not physically harmful. The Dazer II does not use any chemicals such as other dog deterrents on the market. Dazer II will never affect the user as other chemical deterrents may in the wind. Dazer II is a hand held device and is manually controlled by the user. The Dazer II dog deterrent features a battery level LED and has a stainless steel belt clip. Effective range is 25' to 75' feet depending on the canines' hearing. Dimensions: 4.5 inches long x 2 inches wide x 1 inch deep. Manufactured in the USA. Includes 9 Volt High Energy Alkaline Battery and it is covered under the manufacturer's warranty, against defects in materials and workmanship. (Contact the product manufacturer for warranty repair or replacement.) This item is brand new, only opened for the pictures. ..................................................................... .................................................................................................................................................................................................. The Dazer II must be used in accordance with the manufacturer's instructions, cautions and warnings, a copy of which is supplied. The Dazer II is not designed to be effective against all dogs which include docile, deaf, infirm and highly trained dogs. All Sales Are Final. .................................................................................................................................................................................. .................................................................................................................................................................................... Payment may be made with money order/cashier's check or paypal. WE SELL TO THE USA ONLY. All payments must be made in US Funds. We do not accept personal checks! When you send payment please include the item number and the description. This is so delays can be avoided! NOTE: DAZER II will be shipped Flat Rate Priority Mail with insurance for $6.25 plus the price of the item, $27.00 and will cost each customer a total of $33.25 We will email you back with the shipping date. We do not charge a handling fee! Payment must be received within 7 days from the end of the sale or the item WILL be put up for relisting. Your business is appreciated. Thank you! IF YOU HAVE ANY QUESTIONS, PLEASE EMAIL BEFORE ORDERING!