Heathrow Scientific HS24670 Lab Alert Four Channel Timer / Clock, White / Blue / Gray

Features:

• Independently or simultaneously set time on four channels
• Audible and visual alarms signify elapsed time
• Easily toggle between channels and clock with top buttons
• Includes spring clip with magnetic back
• Timer counts down
• Timing Capacity: 99 Hrs.
• Uses (2) LR44 1.5 V batteries (included)
• Diameter 2.9 x 2.3 x 0.5 in (7.3 x 5.9 x 1.3 cm)