General description The 800 Meter Dog Training Collar is designed for effective dog training with a range of features that ensure safety and convenience. It offers a barrier-free distance of up to 800 meters, making it ideal for training in parks or backyards. The collar is waterproof, allowing your dog to swim or play in the rain, and it is rechargeable for long-lasting use. Technical specifications Distance: 800 meters Adjustable collar length: 6 to 27.5 inches Rechargeable: 2 hours fast charging Battery life: 15-20 days of use Shock and vibration levels: 0-99 Waterproof rating: IPX7 Compatibility and accessories Can control up to 3 receivers with one remote transmitter One channel can control 2 receivers simultaneously Installation Charge the remote and receiver before first use Adjust the collar to fit your dog comfortably Usage Four training modes: Shock, Vibration, Light, and Sound Separate buttons for each training mode for easy operation LED light indicator for locating your