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4 Perpetual Alarms LCD Clock Module with Blue Backlight
The blue LED back-light is always turns On. Available in 12 and 24 hour versions. 3 keys operation. External powered with 3.3VDC. Normally the alarm time is one minutes, and configured in 4 individual output poles for each alarm normally.
Daily On/Off Time Switch Module
This On/Off time switch module operated with 3.6 VDC and connected with I/O14 pins. It can be adapted to electrical appliance easily. The pin #11 is a output pole providing level signal to dominate the power ON/Off of electrical power through a relay.
Yearly reminder
This is a yearly reminder. with single reset button. This device helps you to count for on ...
mini clock and timer module - 99M59S
This is a mini clock module with countdown timer. The countdown capacity is 99 minutes, an ...
Dosing and Job Reminder
Dual alerts, select aural or visual alert ---
Emphasized brightness of LED blinking alert is very good to use at office, hospital, classroom, laboratory, or any place where the noise allowance is limited or strictly restricted. Also good to for DEAF person!
99 Days 23 Hours Countdown/Up Timer Module with LED Back-light
As a professional digital clock, timer, thermometer, and hygrometer supplier, we can also ...