Dual display permits simultaneous display of a clock and timer, or two independent timers (up to 24 hours). Use one timer to count up, or use two to independently count down. Audible and visual alarms. The large buttons and simple programming procedure make this instrument easy to use. Display tilts to allow freestanding use on benchtop, or use the bracket (included) to mount on the wall next to incubator. Highly accurate: 60.003%. Includes one AAA battery. Measures 82 x 140 x 13mm.