New model 663 – an improved and upgraded version has been launched
Collect customer feedback, and the company's R&D team quickly improves and updates the new model.
1 Improved waterproofing, can be worn in water
2 Software upgrade, 800m away from enhancement
3 Remote control receiver charges simultaneously
完全 waterproof, silicone electric shock collar does not harm dogs
663-1 Weight: 220 grams Dimensions: 15.5 * 10.2 * 4.7 CM
One box contains 54 units. Standard configuration includes green reflective nylon straps; if strap accessories are desired, add 4 yuan to contact customer service to adjust the price.











Here are the older model versions


