For dogs 3.6 kg and up. Fits neck sizes 15 - 71 cm. 4 adjustable stimulation levels plus a tone only mode. Over Stimulation Protection: Stimulation stops after 30 seconds. Run Through Prevention- Static Stimulation increases if your dog tries to run through the boundary zone. Waterproof. Collar uses 1 x 6 Volt battery (included). Battery usually lasts 1-3 months. Low battery indicator. Compatible with PetSafe® In-Ground Fence.
