Model Number: SMLP108B Brand Name: OEM/ODM Key Specifications/Special Features: PetSafe PIF00-12917 stay and play wireless fence- Lightweight, portable wireless transmitter means no wires to bury- Creates an adjustable circular perimeter of up to 3/4 of an acre anywhere you go- Rechargeable receiver collar charges in 2 to 3-hour and is ergonomically designed for comfort- Offers 5 levels of static correction plus a tone-only mode for training of dogs over 5-pound with neck sizes 6 to 23 inches