The Petsafe SD-1200 SportHunter by SportDog offers more value than any other remote trainer out there. The Petsafe SD-1200 looks good. The Petsafe SD-1200 feels good. The Petsafe SD-1200 works great. The Petsafe SD-1200 has a 3/4-mile range and a waterproof receiver. The Petsafe SD-1200 dog training collar is engineered for field use in a wide range of conditions. The Petsafe SD-1200 has eight levels of correction that are easily adjusted at the compact transmitter. The The Petsafe SD-1200 collar can be turned on and off by the receiver for extended battery life without the need for magnets. The The Petsafe SD-1200 receiver uses rechargeable batteries and the The Petsafe SD-1200 transmitter runs on a long-lasting replaceable 9-volt battery. The Petsafe SD-1200 transmitter has an easy two-button design: one button for momentary nicks, the other for continuous stimulation depending on the situation at hand. The The Petsafe SD-1200 SportHunter features: 3/4-mile range 8 levels of continuous and momentary correction Separate warning tone button(on one dog system) Waterproof receiver Transmitter powered by a standard 9-volt battery Receiver powered by a rechargeable, replaceable NiMH battery The The Petsafe SD-1200 SportHunter Weight & Dimensions: Weight without collar/strap - 6.1 oz Weight with the duropro collar/strap - 9 oz Dimensions - 3" W x 1 1/2" H x 1 1/2" D Warranty Info: Backed by a lifetime warranty SportDog SD-800 SportHunter Dog Training Collar features: 2 Dog System 1/2-mile (800 yards) range Expandable up to 3 dogs 8 levels continuous stimulation Low-battery detect feature in transmitter and receiver Replaceable, rechargeable NiMH batteries Lifetime Limited Warranty