*Features*: *Safe Efficient Dog Fencing System*:Our stable and effective wireless dog fencing system is designed to make sure your dog stay in the specified and safe area,you will never have to worry about anything when you go outside. Come with beep and vibration working function,when your dog is out of range,the receiver collar will automatically make a beep warning tone for 8S,then beep and vibration warning tone at the same time for 12S until the dog return to the setting distance. After 20cycles of working,the receiver will stop working to prevent any auditory or physical damage. Compared to other electric shocking collar,our dog wireless fence system is much safer to your furry friends. *Wide Adjustable Range*:The electric fence allows you to easily control the 5 adjustable width of the boundary by pressing the “+” and “-” knob. Adopt advanced 2.4G frequency technology that consistently provides a more stable and accurate signal transmission from 65ft to 328ft. The appropriate range offers your pets maximum freedom during outdoor activities within the scope of your visual. *No-Limited Dog Channel Connection*:No complicatedly manual pairing operation,the transmitter and receiver will be automatically paired after power on,and one transmitter can connect with unlimited quantity of receiver collars. Built-in rechargeable battery of transmitter achieves 3-5days working after about 3-4hours fully charged. And 500mAh rechargeable collar enables up to 15days standby time(depends on using frequency) after about 1-2hours charging. *Real-Time GPS Location Monitoring*:Built-in smart GPS tracker chip provides unique lost prevention function,the dog collar receiver can be simply connected to the “Find My” app(Only fit for IOS Phone,Pad,Pod). In this app,you are able to monitor every step of your dogs on your phone,and it will push real-time notification when your dog leaves the phone so as you can quickly locate them when they wander off or get lost. Besides,you can preset your house location as a specific place,the app won’t push any reminders when your dog is in your preset location. *Wide Applications*:The length of collar can be adjusted from 5.11in to 25.19in to fit most sizes of 6-month+year old dogs between 15-120LBS. Soft collar brings comfortable wearing experience. Smooth contact points with silicone caps rest gently against your pet's skin to deliver correction when needed. Friendly Reminder: 1. Proper fit of the collar is important! A collar worn for too long or made too tight on the pet's neck may cause skin irritation. The receiver collar should fit snugly yet be sufficiently loose to allow one finger to fit between the strap and your pet’s neck. 2. Avoid leaving the collar on the dog for more than 18 hours per day. If possible,reposition the collar on the pet's neck every 1 to 2 hours. 3. The receiver will start beep and vibration working function when the transmitter is out of power. Please make sure the transmitter is always on. *Specifications*: Product Type: Wireless Dog Fence With Collar Material: ABS Color: Black Adapter Voltage: 110V 60Hz Battery: Transmitter: 3.7V/430mAh Rechargeable Battery; Receiver: 3.7V/320mAh Rechargeable Battery Transmitter Charging Time: 3-4Hrs Transmitter Working Time: 3-5 Days Receiver Charging Time: 1-2Hrs Receiver Working Time: Depends on Using Frequency (Standby Time: 10-15 Days) Support Channel: Unlimited Support: Real-Time GPS Location Working Function: Beep, Vibration Adjustable Radius Range: 20/40/60/80/100M; 65/131/196/262/328FT Pet Application: 6 Month+; Weight Among 15LBS-120LBS; Neck Circumference (Under 64cm/25.19in) Collar Belt Circumference: 64cm/25.19in USB Charging Cable Length: About 57cm/22.44in 1Pcs Receiver Size: 7.5x2.7x3.7cm/2.95x1.06x1.45in 1Pcs Receiver Weight: 50g/0.11lbs Transmitter Size: 10x19x2.5cm/3.93x7.48x0.98in Transmitter Weight: 104g/0.23lbs 1 Collar Package Size: 25*14*5cm/9.84*5.51*1.97in 1 Collar Package Weight: 386g/0.85 lbs 2 Collar Package Size: 25*14*5cm/9.84*5.51*1.97in 2 Collar Package Weight: 468g/1.03 lbs *Package Lists*: 1x Transmitter 1x Collar Receiver 1x Belt 1x USB Charging Cable 1x Adapter 1x Test Bulb 2x Long Conductive Silicone Caps 2x Short Conductive Silicone Caps 2x Long Contact Points 2x Short Contact Points 1x User Manual