FEATURES:

• SAFE AND EFFECTIVE FOR TRAINING: The electric shock collar is designed with 3 extremely efficient and harmless modes: beep (standard), vibration (standard), and safe shock (adjustable 1-16 levels), which can help you train your dog to behave well. For dogs of all sizes. 
• BIG DIGITAL DISPLAY & LEVEL 0~99 SAFE SHOCK: This Waterproof Dog Electric Training Collar improves your dog's behaviors using a digital remote and lightweight training collar, supporting 2 - 4 dogs training with only 1 remote.
• WATERPROOF COLLAR & UP TO 1600FT REMOTE RANGE: Professional waterproof dog collar receiver, working within a 530-yard range. Let your puppies enjoy swimming or having fun on rainy days. The remote also features a dual channel to support training up to 4 dogs simultaneously. The additional collar should be purchased separately. Enjoy training time with your dog in the backyard, at the park, at the beach, or anywhere else. 
• LONG BATTERY LIFE: This electric collar uses lithium battery technology providing battery life that lasts for a long time. It takes only 2-3 hours to be fully charged, but for the initial charge, be sure to charge it for 4 hours. Typically used, the receiver will last for 11-15 days, while the remote battery will last for over 1 month. A large digital display shows the battery status of the remote and receiver. 
• EASY TO WEAR & SIMPLE TO USE: Features an upgraded veterinary-made design to help protect your dog's sensitive skin, suitable for all sizes of dogs.
• TENTEN'S NOTES: Safe and effective complement to clicker training. 

SPECIFICATIONS:

• SIZE: 27in