Waterproof and rechargeable dog training collar, 800m range – 1 transmitter + 3 receivers

General Description: This dog training collar is fully waterproof and rechargeable, making it ideal for dog trainers and pet owners. It offers an effective training system with vibration alerts, audible warnings, and static corrections, and allows for interference-free remote control of the dog up to 800 meters. Technical Specifications: Frequency: 433 MHz; Transmitter: 3.7 V 300 mA; Receiver: 3.7 V 300 mA; Transmitter Battery Voltage: 3.7 V; Receiver Waterproof Rating: IP 67; Battery Type: Lithium-ion battery (built-in); Transmitter Charging Time: 4 hours; Transmitter Standby Time: Approximately one week; Receiver Charging Time: 4 hours; Receiver Standby Time: Approximately one week; Maximum Adjustable Collar Length: 67 cm. Compatibility and Accessories: Control up to 3 receivers of the same model with one 3-channel transmitter. Operation: The collar offers 3 training modes: electric shock, vibration, and tone. Vibration and shock levels are adjustable from 1 to 99, allowing you to customize the experience to your dog's needs. We recommend starting with the lowest levels to find the optimal setting. Additional Information: Blue backlit display for nighttime use. Automatic sleep mode and memory function to save energy. Completely waterproof, so your pet can swim or go for walks even in the rain.