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 Fence
Material: ABS+Fabric
Color: Black
Battery: Transmitter: 3.7V/3000mAh Rechargeable Battery; Receiver: 3.7V/380mAh Rechargeable Battery
Transmitter Charging Time: 2.5Hrs
Transmitter Working Time: 26Hrs Continuous Working Time; 6Months Standby Time
Receiver Charging Time: 2.5Hrs
Receiver Working Time: 6Months Standby Time; 18Hrs Continuous Beep, 13Hrs Continuous Vibration, 24Hrs Continuous Shock
Working Mode: Beep, Vibration, Shock
Intensity: 1-9Levels of Beep, 1-99 Levels of Vibration; 1-99 Levels of Shock
Collar Waterproof Rate: IP67
Training Mode Control Range: 300M/1000FT
Wireless Fence Control Range: 42Levels(10-300M/33-1000FT)
Connecting Quantity: Up To 3 Dogs In Training Mode; No Quantity Limit In Fence Mode
Suitable Dogs: 6 Months+; 15-120LBS
Collar Circumference: 9.5-21in
Type-C Charging Cable Length: 58cm/22.83in
Charging Base Size: 15.5x10x6cm/6.1x3.93x2.36in
Receiver Size: 6.3x3.3x2.5cm/2.48x1.29x0.98in
Receiver Weight: 80g/0.17lbs
Transmitter Size: 6x12x2cm/2.36x4.72x0.78in
Transmitter Weight: 122g/0.26lbs
Package Size: 17*16*9cm/6.69*6.29*3.54in
Package Weight:551g/1.21lbs
*Package Lists*:

1x Transmitter
1x Collar Receiver with Belt
1x Type-C 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 Mini Spanner
1x Strap
1x Charging Base
1x 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 Fence
Material: ABS+Fabric
Color: Black
Battery: Transmitter: 3.7V/3000mAh Rechargeable Battery; Receiver: 3.7V/380mAh Rechargeable Battery
Transmitter Charging Time: 2.5Hrs
Transmitter Working Time: 26Hrs Continuous Working Time; 6Months Standby Time
Receiver Charging Time: 2.5Hrs
Receiver Working Time: 6Months Standby Time; 18Hrs Continuous Beep, 13Hrs Continuous Vibration, 24Hrs Continuous Shock
Working Mode: Beep, Vibration, Shock
Intensity: 1-9Levels of Beep, 1-99 Levels of Vibration; 1-99 Levels of Shock
Collar Waterproof Rate: IP67
Training Mode Control Range: 300M/1000FT
Wireless Fence Control Range: 42Levels(10-300M/33-1000FT)
Connecting Quantity: Up To 3 Dogs In Training Mode; No Quantity Limit In Fence Mode
Suitable Dogs: 6 Months+; 15-120LBS
Collar Circumference: 9.5-21in
Type-C Charging Cable Length: 58cm/22.83in
Charging Base Size: 15.5x10x6cm/6.1x3.93x2.36in
Receiver Size: 6.3x3.3x2.5cm/2.48x1.29x0.98in
Receiver Weight: 80g/0.17lbs
Transmitter Size: 6x12x2cm/2.36x4.72x0.78in
Transmitter Weight: 122g/0.26lbs
Package Size: 19*17*9cm/7.48*6.69*3.54in
Package Weight: 665g/1.46lbs

*Package Lists*:

1x Transmitter
2x Collar Receiver with Belt
1x Type-C Charging Cable
1x Adapter
1x Test Bulb
4x Long Conductive Silicone Caps
4x Short Conductive Silicone Caps
4x Long Contact Points
4x Short Contact Points
2x Mini Spanner
1x Strap
1x Charging Base
1x User Manual