Beep & Static Shock Modes Warning: When the pet approaches the critical point you set, the collar will first beep to notice your pet. If he/she continues to approach, it will trigger an electric shock accompanied by a beep.
100-Level Signal Adjustable: You can adjust the signal level through " , -" on the transmitter, the higher the signal level, the wider the control range boundary. The transmitter will intelligent alarm when the connection is bad or the wire is broken.
Package Contents:
1. Transmitter * 1