Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Remote Dog Training Collar with Advanced RF 434Mhz Technology， boosts range up to 330 yards. Rechargeable and Water-resistant collar receiver and transmitterQuickly synchronize the transmitter with collar receiver， within 10 seconds. Ingenious design over 3000 different identity codes that prevents conflict with other similar devices when no obstacles in betweenDog Shock Collar with 4 modes: static shock， vibration， beep and light. 100 levels of static shock and vibration stimulationDog E-collar fits dogs. From 15 to 100 lbs with a nylon collar size from 14 to 23 inches longRemote transmitter is small， flexible and simple to use.Features:1. Collar Size: Able to fit small， medium and large dogs. 15 lbs or Larger. Durable and adjustable Nylon Collar Size Length from 14 to 24 inches long2. Includes one collar， Remote Transmitter can control up to two collars. (Extra collars are sold separately)3. Battery Type: Rechargeable Lithium Batteries for Collar Receiver and Remote Transmitter4. Water Capabilities: Water Resistant Collar Receiver5. Range: 330 Yards6. Tone/Vibration Options: 100 Levels of Vibration and 1 Level of Standard Tone7. Stimulation Levels: 100 Levels of Static Shock8. Power saving design with Automatic Standby and Memory Function9. Light Mode to assist seeing dog in low light conditions10. Easy to operate and ergonomic Transmitter11. Effective and safe training system with Auto-Protect Mode12. LCD Display featuring a Blue Back Light for nighttime usage13. Quick and straightforward pairing processPackage:- 1 x Transmitter- 1 x Receiver- 1 x Nylon Belt- 1 x Charging Cable- 1 x Charger- 1 x Test Bulb- 3 Metal Probes