The SportDOG Brand SDF-100C In-Ground Fence System. The smaller and sleeker collar receiver features a Li-Ion battery that charges in two hours and has a one to two month battery life. Now featuring seven levels of static stimulation as well as vibration and tone, it’s easier than ever to keep your dog safe and secure. With 1,000 feet of wire and 100 flags, you can contain an area as large as 1 1/3 acres (or up to 100 acres with the purchase of additional wire and flags). Multiple dogs? Simply purchase additional collars. Dependable in any environment, the collar is DryTek - waterproof and submersible to 25 feet.

System Includes: Fence transmitter with charger, collar receiver charger, boundary wire, operating guide, test light tool, boundary flags, long probes and wire nuts.

Features:

• 7 levels of static stimulation to match any dog's temperament
• Vibration and tone option
• Expands to any number of dogs with the purchase of additional collar receivers (SDF-CR)
• DRYTEK waterproof design technology
• Includes 1,000 feet of wire and 100 boundary flags
• Expands to 100 acres with the purchase of additional wire and flags
• Collar receiver features rechargeable Li-ion battery