General description This fully waterproof electronic collar is popular among dog trainers and pet owners. Its training system helps control and train your dog with functions such as vibration alarm, sound warning, and electrostatic punishment. With a remote design, you can easily call a stop, run, and recall your dog, making it a valuable training assistant. Technical specifications Frequency: 433MHz Transmitter battery: 3.7V 300mA lithium-ion Receiver battery: 3.7V 300mA lithium-ion Receiver waterproof rating: IP 67 Transmitter charging time: 4 hours Receiver charging time: 4 hours Transmitter standby time: about a week Receiver standby time: about a week Adjustable collar length: up to 67 cm (27.5 inches) Weight range for dogs: 20 lbs or more Compatibility and accessories Can control up to 3 receivers of the same model Installation Adjustable collar size suitable for dogs of all sizes Usage 3 training modes: shock, vibration, sound Vibration level adjustable from 1 to 99 Recommended