Heathrow Scientific HEA24671 Lab Alert Digital Sand Timer/Clock

This digital timer with a clock is used for timing processes in a scientific laboratory, educational, food service environment, or any laboratory application. Watch the digital sand gradually disappear over time just like mechanical sand timers. Audible and visible alarms indicate the end of the set time. Flip the unit one way to display count-up or count-down timer or flip the other way to display the clock in 12 or 24 hour mode. A light illuminates the LCD for visibility in dark environments. The memory function recalls set time. Batteries are included and can be easily replaced when needed. Replacement Battery: LR44