Product information:
-Battery Life Time: Three Months
-Size: 7.8 x 2.6cm, 3 x 1 in approximately.
-Voltage: 4.5V
-Timing range: 0 to 99 minutes and 55 seconds
-Installation: For hanging or Lay flat on the table.
-Batteries: 3 AAA batteries not included
-Working Temperature: 0 to 50 Degree

Contents in Box:
-1 x Digital Timer (Batteries not included.)

More information about product:
-Counting down from 99 minutes 55 seconds to zero, or as a stopwatch count up from 0 to 99:55. Powerful magnets on the back for placement on any iron surface directly. Upgraded silicone pads to avoid falling off. Note: When using, please remove the transparent protective film on the silicone pad.
-Large black screen and white numbers allow you easily see the time remaining. Ideal as a kitchen timer, say goodbye to underdone burgers and overcooked steaks. Two alarm volume: Loud 80 to 90dB, Soft 65 to 75dB and a Mute level to meet your different needs.
-No loud ticking provides the silence and focus for school, homework, and other silent activities. Ideal for special needs, children, parents, teachers, office staff professionals, and students.
-The optional alarm signal when time is up can be turned off for sound-sensitive environments. 3 levels alarm sound be silence or up to 90db.
-Support Magnetic Installation
-Quick Adjustment: With a stop every 5 seconds
-Adjustable Range: 00: 00 to 99: 55
-Support Counting Up and Down
-LED digital display, Rotating regulation, Counting up and down, Sound reminder.