Keep your pet safe and discourage bad behavior with PetSafes Vibration Remote Trainer. 16 levels of vibration stimulation. 100-yd. range gives your pet enough room to explore. Tone-only mode for stimulation-free correction. Digital display on the remote lets you know at a glance what level youre on. Water-resistant construction. Collar uses two 3-volt lithium coin-cell batteries (included) and the remote uses one 3-volt CR-2 lithium battery (included). Compatible with dogs over 8 lbs. and with necks between 6 and 28. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Training Collars.