Standard digital thermometers are designed and sized for humans and are too small for adult large animals such as 500+ kg cows and horses. The Big Fella is designed specifically for large animals with a 13cm shaft and is 5mm in diameter.
Single 1.5V lithium battery power supply
Provide lower voltage detector function
Automatic turn-off function
Buzzer alarm indicating on/off button has been pushed
Buzzer alarm indicates fever detected
Lanyard prevents dropping