Great collar for my 4 year old German Shepherd. He got very rebellious for a while running away to neighbors when he got let out. Just the beeping is enough for him to listen. Haven’t used the shock yet, however my 2 year old hit the button once and it appears to work well. The battery life is unbelievable, going on 4 days no charge for the collar and remote. My old collar we would have to charge daily and there was no battery life indicator. The remote tells you the collar and remote battery life.