Feature:
1. ?Advanced RF 434Mhz Technology boosts range up to 330 yards.
2. Completely Waterproof transmitter and receiver.
3. Built-in high capacity lithium rechargeable batteries. Both transmitter and receiver can be charged at the same time.
5. 4 modes: static shock, vibration, beep and light.
6. With 100 levels of correction of static shock and vibration, you're able to find the right correction for your pet's personality and size.
7. Over 3000 different identity codes to prevent conflicts with other e-collars.
8. Fits all dogs, from 15 to 100 lbs with a TPU collar size that's 7 to 27 inches long.
9. Convenient, easy-to-read Backlight LCD screen that shows the stimulation level.
10. Readable function buttons, even in low light conditions. Silicone buttons feel firm and soft against skin.
11. 100% tested product with 1 Year Free Replacement Warranty; BUY WITH CONFIDENCE.
12. Expandable up to 2 dogs with the purchase of additional collar. (search "B00W6ZHZMI" to get collar to train TWO dogs.)

New updates to the Transmitter:
- Backlight Screen Remote Transmitter
- Improved charging mechanism
- Silicone, white stenciled buttons against blue background for easy low light condition viewing

New updates to the Receiver:
- Waterproof design
- TPU belt with more durability
- Convenient ON/OFF button

Package:
- 1 x Remote Transmitter
- 1 x Collar Receiver
- 1 x Adjustable TPU Belt
- 2 x USB Charging Cable
- 1 x Charger
- 1 x Test Bulb
- 3 Set of Metal Probes

Range Information:
-The advertised range is a straight-line distance between Transmitter and Receiver without obstacles in between.
-Range may vary according to terrain, weather, vegetation, battery capability as well as transmission from other radio devices.