Brand Name: Otmagelu High-concerned chemical: none whether electrical: Yes Origin: Mainland China Material: Plastic Material: Stainless Steel Target Pet: Dog Battery Included: Yes Item Type: Training Collars Item Type: Training Collars Type: Dogs Is Smart Device: no Model Number: 023 023B Electronic dog fence receiver Wide range of control: less 5000 Square meter Color: Black Training Mode: Fixed pet activity range Type: Remote Dog Training Shipping: free chargeable: Prevent dogs from barking while camping type2: 023 023B Electronic dog fence receiver type3: 023 023B W227 W227B Electronic dog fence Accessories type4: Electronic dog fence collar type5: just the Battery collar or Charging collar