Digital stopwatch (solar charging type) SVAJ101 1 unit

Two countdown timers (two time settings possible) operate alternately and repeatedly. Can be set from 10 seconds or more in 1 second increments up to a maximum of 99 hours, 59 minutes and 59 seconds. A warning sound with a different tone will alert you when the time is up. After a full charge, the battery lasts for approximately 24 months in the dark. Maximum measurement time: 100 hours Minimum measurement time: 0.01 seconds Accuracy: ±30 seconds per month Color: Silver Solar charging type Model number: SVAJ101