BHCEY Wireless Dog Fence System with Dog Training Collar Receiver.

• Item Specifications
• Material: ABS plastic (transmitter, receiver), TPU(strap)
• Power adapter: AC 110-240V
• Adjustable signal level: 1-100
• Remote control range: up to 500 meters in radius
• Containment coverage: up to 0.1 hectares
• Strap size: 28 inches, adjustable size: 6-28 inch
• Water-resistance level: IP67
• Receiver/Transmitter Battery: 300mAH (Lithium Ion)
• Item Features
• Use to establish a safe zone up to 500 meters in radius/78 hectares to keep pets freely contained even in rain.
• Easy setup via wireless pairing, no more digging and burying wires.
• One button transmitting signal level adjustment from 1-100 for customizing area coverage.
• Clear digital display shows the current transmitting signal level.
• Supports controlling multiple dogs simultaneously with one transmitter.
• Suitable for all types of dogs, small medium and large with neck circumstance up to 28”.
• Each receiver comes with 2 sets of metal extension contact probes for dogs with short or long fur.
• Warm Note

The receiver operates at a voltage of 3.7V and emits static electricity, it will not harm the dog and its hair at all.

This product can be used in indoor, but we may not recommend you to do that since there's too many interference factors in indoor.