The description of 1 collar 

*Features*:

*Wireless Dog Fence Mode*:Adopt 2.4G frequency technology,this dog fence system establishes a reliable wireless radial boundary with customizable distance levels ranging from 33ft to 1000ft. In the event that your dog exceeds the designated range,the receiver collar will activate sound,vibration,and shock modes until your dog returns within the boundary circle. Additionally,one transmitter can be paired with an unlimited number of receiver collars.

*Remote Dog Training Mode*:Come with 3 highly efficient and safe training modes(beep,vibration and static shock modes),the remote dog training mode enables you to instill essential obedience commands in your canine companion while rectifying any inappropriate behaviors. With adjustable beep levels ranging from 1 to 9,as well as vibration and shock intensity levels ranging from 1 to 99,perfectly fits for your pet's personality, preventing accidental injuries caused by improper stimulation.

*Dual Charging Methods & Long Standby Time*: Built-in 3000mAh rechargeable battery of transmitter achieves about 26hours continuous working time after about 2.5hours fully charged. And 380mAh rechargeable collar enables up to 60days standby time(depends on using frequency) after charging. Package includes type-c charging cable and charging base, dual charging methods bring you much more convenience.

*Waterproof & Reflective Collar*: The IP67 waterproof training receiver offers your pets maximum flexibility during outdoor activities, allowing them to enjoy getting wet in the grass, messing with the sprinkler or playing in the rain. Reflected strips on the collar guarantee clear visibility of your dogs even at night, effectively ensuring their safety.

*Wide Application*: The collar can be adjusted from 9.5in to 21in, accommodating most sizes of dogs aged 6 months and older, weighing between 15-120LBS. Soft woven fabric collar brings comfortable wearing experience. Smooth contact points with silicone caps rest gently against your pet's skin to deliver correction when needed.

*Specifications*:

​ Product Type: 2 in 1 Wireless Dog FenceMaterial: ABS+FabricColor: BlackBattery: Transmitter: 3.7V/3000mAh Rechargeable Battery; Receiver: 3.7V/380mAh Rechargeable BatteryTransmitter Charging Time: 2.5HrsTransmitter Working Time: 26Hrs Continuous Working Time; 6Months Standby TimeReceiver Charging Time: 2.5HrsReceiver Working Time: 6Months Standby Time; 18Hrs Continuous Beep, 13Hrs Continuous Vibration, 24Hrs Continuous ShockWorking Mode: Beep, Vibration, ShockIntensity: 1-9Levels of Beep, 1-99 Levels of Vibration; 1-99 Levels of ShockCollar Waterproof Rate: IP67Training Mode Control Range: 300M/1000FTWireless Fence Control Range: 42Levels(10-300M/33-1000FT)Connecting Quantity: Up To 3 Dogs In Training Mode; No Quantity Limit In Fence ModeSuitable Dogs: 6 Months+; 15-120LBSCollar Circumference: 9.5-21inType-C Charging Cable Length: 58cm/22.83inCharging Base Size: 15.5x10x6cm/6.1x3.93x2.36inReceiver Size: 6.3x3.3x2.5cm/2.48x1.29x0.98inReceiver Weight: 80g/0.17lbsTransmitter Size: 6x12x2cm/2.36x4.72x0.78inTransmitter Weight: 122g/0.26lbsPackage Size: 17*16*9cm/6.69*6.29*3.54inPackage Weight:551g/1.21lbs*Package Lists*:

1x Transmitter1x Collar Receiver with Belt1x Type-C Charging Cable1x Adapter1x Test Bulb2x Long Conductive Silicone Caps2x Short Conductive Silicone Caps2x Long Contact Points2x Short Contact Points1x Mini Spanner1x Strap1x Charging Base1x User Manual

The description of 2 collars

*Features*:

*Wireless Dog Fence Mode*:Adopt 2.4G frequency technology,this dog fence system establishes a reliable wireless radial boundary with customizable distance levels ranging from 33ft to 1000ft. In the event that your dog exceeds the designated range,the receiver collar will activate sound,vibration,and shock modes until your dog returns within the boundary circle. Additionally,one transmitter can be paired with an unlimited number of receiver collars.

*Remote Dog Training Mode*:Come with 3 highly efficient and safe training modes(beep,vibration and static shock modes),the remote dog training mode enables you to instill essential obedience commands in your canine companion while rectifying any inappropriate behaviors. With adjustable beep levels ranging from 1 to 9,as well as vibration and shock intensity levels ranging from 1 to 99,perfectly fits for your pet's personality, preventing accidental injuries caused by improper stimulation.

*Dual Charging Methods & Long Standby Time*: Built-in 3000mAh rechargeable battery of transmitter achieves about 26hours continuous working time after about 2.5hours fully charged. And 380mAh rechargeable collar enables up to 60days standby time(depends on using frequency) after charging. Package includes type-c charging cable and charging base, dual charging methods bring you much more convenience.

*Waterproof & Reflective Collar*: The IP67 waterproof training receiver offers your pets maximum flexibility during outdoor activities, allowing them to enjoy getting wet in the grass, messing with the sprinkler or playing in the rain. Reflected strips on the collar guarantee clear visibility of your dogs even at night, effectively ensuring their safety.

*Wide Application*: The collar can be adjusted from 9.5in to 21in, accommodating most sizes of dogs aged 6 months and older, weighing between 15-120LBS. Soft woven fabric collar brings comfortable wearing experience. Smooth contact points with silicone caps rest gently against your pet's skin to deliver correction when needed.

*Specifications*:

​ Product Type: 2 in 1 Wireless Dog FenceMaterial: ABS+FabricColor: BlackBattery: Transmitter: 3.7V/3000mAh Rechargeable Battery; Receiver: 3.7V/380mAh Rechargeable BatteryTransmitter Charging Time: 2.5HrsTransmitter Working Time: 26Hrs Continuous Working Time; 6Months Standby TimeReceiver Charging Time: 2.5HrsReceiver Working Time: 6Months Standby Time; 18Hrs Continuous Beep, 13Hrs Continuous Vibration, 24Hrs Continuous ShockWorking Mode: Beep, Vibration, ShockIntensity: 1-9Levels of Beep, 1-99 Levels of Vibration; 1-99 Levels of ShockCollar Waterproof Rate: IP67Training Mode Control Range: 300M/1000FTWireless Fence Control Range: 42Levels(10-300M/33-1000FT)Connecting Quantity: Up To 3 Dogs In Training Mode; No Quantity Limit In Fence ModeSuitable Dogs: 6 Months+; 15-120LBSCollar Circumference: 9.5-21inType-C Charging Cable Length: 58cm/22.83inCharging Base Size: 15.5x10x6cm/6.1x3.93x2.36inReceiver Size: 6.3x3.3x2.5cm/2.48x1.29x0.98inReceiver Weight: 80g/0.17lbsTransmitter Size: 6x12x2cm/2.36x4.72x0.78inTransmitter Weight: 122g/0.26lbsPackage Size: 19*17*9cm/7.48*6.69*3.54inPackage Weight: 665g/1.46lbs

*Package Lists*:

1x Transmitter2x Collar Receiver with Belt1x Type-C Charging Cable1x Adapter1x Test Bulb4x Long Conductive Silicone Caps4x Short Conductive Silicone Caps4x Long Contact Points4x Short Contact Points2x Mini Spanner1x Strap1x Charging Base1x User Manual