Column Powerful Electric Shock Collar 300M Remote Control Electric Waterproof Dog ining Collar Anti Collars for 1/2 Dogs

1. The first surround type electric shock column design

2. One-piece adjustable dog collar design, safer and more ble

3. The collar's min circumference: 11 inches (28cm), the max circumference: 27 inches (69cm)

4. 3 ining modes (sound, ion, static shock)

5. The remote range is about 330Y (300m)

6. nsmitter standby time : 12 months, Receiver standby time: 40 days; nsmitter lasting time : 25 months, Receiver lasting time: 14 day

Please note:

Only single receiver cannot work independently and requires the cooperation of a remote control.

A remote control supports two receivers.