The remote control dog training shock collar for 2 dogs has 3 levels of shock and 1 level of vibration.   This electronic dog training system can either shock 1 dog at a time or vibrate 2 dogs at the same time and has a range of 600 feet in ideal condition.

This collar is suitable for small and medium dogs up to 40 lbs.

Collar features:

• 3 levels of shock
• 1 level of vibration
• battery uses 6 volts 4LR44 battery(included)
• 600 feet range
• water resistant(not waterproof)

The set includes:

• 2 collars
• 1 transmitter
• 2 sets of metal prongs
• 1 user manual
• 2 straps adjustable from 12 to 20 inches long.