My Pet Command Wireless Electric Fence Safe Dog Containment System GPS Boundary Easy Setup Outdoor use Waterproof and Rechargeable Collars Bonus Training Whistle Size:Wireless GPS 1 Collar Kit This collar has three options This collar has three options for training dogs Multiple Collar Operation Add as many collars as you like to contain as many animals you have Includes (1 )Collar with Orange neck Strap (1) USB Power Adaptor with USA Plug and Charging USB Cable (1) pair of Long and Short Prongs (1) Test Bulb with Spanner (1) CLEAR User and instruction manual with contact support (1) For YOUR TRUST IN US WE GIVE YOU a Free Bonus Ultrasonic Dog Training whistle in the kit Set up your Boundary within Minutes making your life SIMPLE and an effortless setup experience