Feature ergonomic structure, the PorLab digital timers are ideal in laboratories for time counting with enhanced space efficiency. All the timers are able to deliver a loud alert and flashing signal when counting up/down is complete. The timing range is from 1 second to 99 minutes and 59 seconds. The memory function in countdown model is designed for convenient counting repeat. The magnetic back enables the timers be easily attached and fixed to iron or steel surface.