Description :1. Excellent training your pet within the set boundary.2. Rechargeable remote & collars for long-time using.3. IP6X waterproof PU collar. Even in rainy days, it works well. Your pet can swim or walk in the rain with it.4. Adjustable collor. You can adjust the level of vibration & shock from 1-199. You also can adjust the length of the collar to fit your dogs. The max adjustable length is up to 67cm.5. Four training mode: Shock/ Vibration/ Light/sound for autual need.6. You can choose channel for max 3 receiver with 1 remote.7. Auto power saving. The remote & the collar will go into standby mode if no operations within 5 inutes.8. Backlight function & memory functions. You can also use it in the evening.9. Remote distance is 800 meters & the maximum is up to 1000 meters. (Without any disturbance)10. Conductive rubber column, your dog will feel more comfortable while wearing. Note :1. Please read the entire user manual before using.2. Please fully charge the product before using it.3. Before using the shock mode, please try the vibration mode to your dogs.4. Observing your dogs reaction & make sure the training intensity will not too much.5. We will send you an adapter according to your country Specification: Color Black+ Orange Black+ Orange ABS+PURechargeable Yes Collar Length 17-67cm Adjustable Charging Cable Length 80cm Remote distance 800m, max is up to 1000m Suitable Dog 20lb & above Transmitter (Remote)3.7V 300m Ah Receiver (Collar)3.7V 300m Ah Frequency 915mhz Package In