• Heat Detectors
• Mfr. item number - 13810215
• 25 ct. box
• Valuable heat detection aid that assists in identifying cows ready for artificial breeding
• Pressure sensitive device
• Built-in timing mechanism designed to be activated by standing heat behavior
• Glued onto the sacrum, requires approximately 3 seconds to turn the detector from white to red
• Made in the USA
• Weight: Approximately .75 pounds
• Shipping Dimensions: Approximately 8 x 5 x 4 inches.