Removable neck strap, convenient for changing neck strap of different size
2 signal modes, vibration with electric shock and vibration only
Max 3 meters semidiameter effective range
1 repeller can control several receivers and you can use several repellers to enlarge the control range
Has some rainproof and snowproof effect
Attention: the dog has conditioned reflex to the electric strike, normally it needs about a week to take effect