Winterworm Rechargeable 300M LCD Electronic Remote Control Dog Training Collar with 0-100 levels Static and Vibration Modes for 1 small/medium size dog Easy-to-use,ergonomic transmitter.Waterproof for bad weather training and keep the collar against wet inside. Rechargeable collar. Rheostat dial that allows for gradual increases in stimulation intensity with no jumps between 0-100 levels. 4 training modes: Static shock/vibration/beep/light.The Petrainer Element 998DR has a 300 meter range. Featured power saving desigh with automatic standy and memory function.No external antenna on the collar receiver. Reduced receiver/collar is ideal for small/medium size dogs.Suitable for healthy dogs of over 6 months old. You would better not use it under rain or put water on the receiver although it is designed waterproof. Excessive barking Running away suddenly Peeping in the middle of the street Biting shoes and other items on the house Leash pulling too hard and getting into choking condition If the answer is yes, then Remote Dog Training Collar can help you.