1. Remote control/receiver lithium battery capacity: 550mAh
2. Rated input: DC 5V/1A
3. Receiver standby time: about 35 days
4. Remote control standby time: about 60 days
5. Packing list: 1x remote control, 1x collar receiver, 1x charging cable, 1x charger, 1x test bulb, 4x contact sets

Features
1. Intercom: built-in intercom system to talk to pets (one-way)
2. Rechargeable: rechargeable remote control and receiver
3. Waterproof receiver: your pet can take it into the water for a swim or a walk in the rain
4. Adjustable level: you can adjust the level of vibration mode and shock mode from 0-99
5. Four training modes: shock/vibration/light/sound
6. Three channels: one remote control can select channels for up to three receivers
7. Automatic power saving: the remote control and receiver will enter standby mode if not in operation
8. Distance control: distance up to 2600 feet (without obstacles) or 1600 feet (with obstacles)

Safety tips:
1. Charge the battery before use
2. Please eliminate one misbehavior or teach one obedience command at a time, if the training is too fast, your pet may be confused and rejected
3. Try the vibration mode before using the shock mode on your pet
4. Observe your dog reaction to make sure the training is not too intense
5. Check your dog skin to make sure the shock does not hurt him
6. Note: Shock mode is only used in extreme cases, if you do not need to use shock mode, it is recommended that you do not install contact points and screw caps on the receiver to minimize the risk of injury to the dog neck