Train up to 3 dogs on 1 handheld device with additional Delta XC/Delta Sport XC dog devices. The water-resistant (IPX7), rugged compact dog device features tone, vibration and stimulation modes, and includes long and short interchangeable contact points for all dog breeds and all coat lengths. Package includes 1 compact dog device with a long-lasting rechargeable lithium-ion battery plus a blue 3/4-inch collar strap. Also includes a built-in BarkLimiter™ (for Delta Sport XC only).