The H2O 1850 Add-On Beeper collar is compatible with the H2O 1850 PLUS system, and it can also replace any lost or damaged H2O 1850 or 1852 collar unit.
Features:
Collar Unit - 2.625" x 2" x 1.5", 9.6 oz. (with beeper)
Add-On and replacement collar unit with Black, Orange, or Green belt for the H2O 1850 PLUS
