Dogtra HANDSFREE Square Expandable Remote Dog Training Device for Discreet Control Ergonomic Compatible with HANDSFREE Plus Models.

The Dogtra HANDSFREE SQUARE gives you the freedom to multitask and have discreet fingertip control. The functions (Nick, Constant, or Pagercan be coded to the HANDSFREE SQUARE for you to operate remotely instead of having to carry the transmitter in your hand. The HANDSFREE SQUARE features a replaceable coin lithium CR2032 battery that is included. The HANDSFREE SQUARE can be used with previous versions of the HANDSFREE line. The previous HANDSFREE series can pair only one HANDSFREE SQUARE to one transmitter, while the HANDSFREE PLUS series can pair up to 14 HANDSFREE SQUARES to one transmitter. The LED on the HANDSFREE SQUARE will blink when the button is pressed. Replace the battery in the HANDSFREE SQUARE when the LED no longer blinks. With normal usage (button held for 12 seconds, 100 times a day, the battery should last 710 years.