About this item

• ★ Works for Dog Bark Collars, Dog Training Collars, Dog Fencing
• - For cameras, blood sugar meters, and electronic pet collars
• ★ 5 pk 6V replacement no mercury
• ★ Chemistry: Alkaline
• ★ High quality 4LR44 6V alkaline batteries. 5 Pcs are sealed in a card so batteries do not touch each other as they drain.