SportDOG Fence Extra Receiver SDF-CR 

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.

Features:

• Rechargeable lthium-ion battery
• 7 levels of static stimulation to match any dog’s temperament
• Vibration and tone option
• DRYTEK waterproof design technology