Digital Timer Controller, Features (14) Clock Settings, Overall Depth 1 3/4 in, Overall Diameter Not Applicable, Overall Height 2 3/8 in, Overall Width 4 3/8 in, Digital Display Screen Type LCD, Alarm Type Visual, Display Type Digital, Maximum Time Setting 23 hrs, 59 minutes, Minimum Time Setting 1 min, Count Direction Count Down, Number of Channels 1, Clock Function Included Yes, Calibration Certificate Type Traceable, Includes Traceable(R) Certification, Batteries Included Yes