Bearmax Eletric Wireless Dog Fence Upgraded Indoor and Outdoor Containment System Rechargeable Dog Fence Wireless Pet Containment System Safe & Easy Install Radio Wireless Pet Containment System 2 dog remote trainer send out training commands without send out training commands without looking at the Transmitter the collar receiver with IP65 waterproof housing can be fully charged in 2h for up to 10days long standby time REVOLUTIONARY Patented compact wifi radio transmitter (NOT RECHARGEABLE) and receiver collar (RECHARGEABLE) our product comes with an anti over shocking design that will only shock your dog for a defined time "54 SECONDS MAX" when he is outside the boundary zone or when he is not receiving any signal (behind trees This one of a kind design is to ensure a safe and harmless containment for you and your pet Guaranteed