1. 800 yards remote control range, it is easy to train your dog in the park or backyard. 2. Silicone material, soft, does not harm the skin of dogs. 3. Three modes: beep mode, vibration mode (1-100 level), electrostatic shock mode (1-100 level). 4. Charge both the transmitter and receiver. 5. Size: about 18x14x4cm. 6. Weight: about 350g.
