Dog Training Collar with Remote,Trainer Shock Collar for 2 Dogs, Rechargeable & Rainproof,with Beep, Vibration and Shock,for small and medium dogs, by Gigibon Dog remote training collar allows you to communicate to your dogs from up to 320 yards Dog Shock Collar with 4 modes: static shock, vibration, beep and light. Adjustable 100 levels of static shock and vibration stimulation Electronic dog training collar quickly synchronize the transmitter with collar receiver, within 10 seconds Electric dog training collar fits dogs from 15 to 70 lbs with a nylon collar size from 14 to 23 inches long Moneyback satisfaction guaranteed!