Our dog training collar receiver is made from high-grade ABS materials and adopts premium sealing process, smooth, sturdy, durable and IPX6 waterproof. Built-in high-sensitive chip, quickly receive the signal from transmitter and support 3 training modes (shock, vibration and beep) to correct the dog’s misbehavior. IPX6 Waterproof: Made from ABS materials and adopting premium sealing process, our dog training collar receiver is smooth, sturdy, durable and IPX6 waterproof, you can use it in rainy or snow day without any worry. (Note: Please do not immerse it in water.) High-Sensitive Signal Receiver: Built-in high-sensitive chip, our dog training collar receiver can receive the remote controlling signals quickly. Easily pair with transmitter. 3 Training Modes: Supporting 3 training modes (shock, vibration and beep) according to the indication of the remote control to correct the dog’s misbehavior. Long Battery Life: Built-in 400mAh lithium battery, our dog training collar receiver can be used for approx.500 times after a 2-3 hours’ full charging. Universal Fits: Owning a smooth and adjustable belt, our dog training collar is harmless to dogs and fit different-sized dogs whose neck circumference is under 23.8in and whose age is above 6 month. Friendly Reminder 1.Our dog training collar receiver should be used with the accordant remote controller GPCT3856 in our store. 2. If the collar is too long, please cut off the excessive portion. It is pretty easy to get a burn edge after the cut. Use a lighter to melt the burr edge. 3.If your dog has thick hair on the neck, please use longer screw caps. 4.Use the electric shock to test the bulb. 5. 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. Brand: Fresh Fab Finds Product Type: Collar Receiver Material: ABS, Nylon Static Shock/Vibration Levels: 1-3Levels Working Temperature: Below 45℃/113℉ Color: Black Frequency: 2.4G Maximum Transmission Range In Dog Training Mode: 300M/984FT/328Yard Charging Voltage: 5V/500mah Power Supply: Micro USB Charging Cable（Cable is not included） Receiver Battery Capacity: 400mAh 3.7V Lithium Battery Receiver Battery Charging Time: 2-3 Hours Receiver Battery Standby Time: 500 Times (Depending On Usage Frequency) Waterproof Level: Receiver (IPX6) Pet Application: 6 Month ; Neck Circumference (Under 60.5cm/23.8in); Weight Among 15LBS-120LBS Collar Belt Circumference: 38.5cm-60.5cm/15.15in-23.8in Test Bulb Size: 3.8x1.8x0.8cm/1.48x0.7x0.31in Receiver Size Without Contacts: 8.2x4x3cm/3.22x1.57x1.18in Receiver with Collar Belt Weight: 92g/0.2lbs Package Size: 10.5x10.5x6cm/4.13x4.13x2.36in Package Weight: 136g/0.29lbs 1 x Collar Receiver with Belt 1 x Test Bulb 2 x Long Conductive Silicone Caps 2x Short Conductive Silicone Caps (Already Attached To Receiver) 2x Long Contact Points 2x Short Contact Points (Already Attached To Receiver)