ps382 multi-group timer reminder timer three-channel experiment countdown stopwatch clock sound

The clock has three groups of countdown functions.

【Function Brief Description】:
This product has a large window for a clear and wide screen display; large buttons for convenient operation; and a novel and practical design.
Time function: Hour, minute, second, AM/PM (morning/afternoon) display, 12-hour format.
Stopwatch function: with a unit of one-hundredth of a second (1/100 second)
Countdown function: The longest countdown can be 99 hours 59 minutes 59 seconds.
Countdown function: Three sets of countdown, the longest can be performed for 99 hours 59 minutes 59 seconds.
【Product Attributes】:

Battery: 2 AA batteries
Product size: 88.7*68*16.2mm
Screen size: 40*44 (mm)
Net weight: 55g
Product colors, surface silk screen LOGO, and packaging methods can be customized according to customer requirements.

With a three-group countdown function