State of the art remote dog trainer - 15 correction levels, sound function, up to 900 m range Activated by the remote from up to 900 m away, the receiver unit administers a harmless but unpleasant stimulation to correct your dog's behaviour. This new and user friendly remote dog trainer offers an impressive amount of features. You can choose from 15 different correction levels or an acoustic-only signal. A boost button allows for a quick increase in pulse strength by two stages. An additional receiver collar (item no. 2227) can be paired to the remote and two different trained with one transmitter. The control keys can be assigned to different functions to suit your need. A large, illuminated LCD display provides you with information on the selected correction level, the training mode for dog 1 or dog 2 and the battery level. The splash-proof and ergonomically designed remote control and the receiver unit in the collar are powered by rechargeable batteries and come with a mains adapter / charger. To fit all dogs, the collar can be adjusted to up to 71 cm neck size. Receiver and collar are built to be rugged and waterproof and do not encumber your dog. Various safety mechanisms ensure that your pet is not harmed, e.g. the receiver shuts of correction pulses lasting longer than eight seconds. Through a consistent and correct use of the remote trainer, many wrong behaviours can be corrected and basic commands be taught to your pet. The "PTD20" is the ideal companion for jogging, cycling, walking or to keep control over dogs with a pronounced hunting instinct.   * for all dogs over 18 kg / 40 lbs (recommended minimum age of six month) * for up to two dogs (w/ additional receiver 2227) * 15 correction levels + acoustic signal * up to 900 m range (depending on circumstances) * programmable function keys * rechargeable batteries * easy and instinctive use