3 Training Modes and Battery Power Diplay: This dog shock collar offers 3 individual safe training modes, beep, vibration (1-16 levels), and shock (1-16 levels), you can choose the suitable mode to train your dogs. Both dog training collar receiver and remote have battery power displays, letting you clearly know when the collar receiver and remote need to be charged. Security Keypad Lock and Battery Life: Our dog training collar with remote has remote switch to avoid accidental operation when carrying the remote. Both the receiver and remote are rechargeable, it comes with a Type-C charging cable. Easy to charge with a power adapter, power bank, or laptop. They usually takes full charging within 3 hours.