High Tech Pet MS-5 Collar Battery - 2Pack Crate Pad All edges are round and

All edges are round and smooth leaving no sharp corners or edges to injure pets

but not the Howl-Prevention mode

Large front door for easy access

The 3500 size crates are designed for smaller dog breeds (Such as Shetland Sheepdog

High Tech Pet MS-5 Collar Battery - 2Pack Crate Pad All edges are round andModel B3V1A Battery 2 Pack for MS 4 and MS 5 Digital Ultrasonic Pet Collar IMPORTANT: Please make sure to always use genuine High Tech Pet replacement batteries. There are inexpensive knock offs with battery chemistries that can damage the collar circuitry. Damage from use of off brand batteries will void your product warranty. Designed specifically to prevent damage if accidentally installed incorrectly, This battery has been designed by the