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 offer customized modules with special control pole, timers with constant period to countdown, meters to measure or indicate lifespan of filter, cartridge, and etc.
Welcome OEM / ODM partners for cooperation.
This module has 99 days 23 hours countdown capability, with 1 second resolution, and one hour minimum setting interval. Count up feature is included too. Therefore it can be used as a chronometer to count up to 9999 days.
Back-light in amber color. Yellow, green, and white colors are available too upon request. 2 pieces of AAA (UM4) battery holder is mounted on the back for testing purpose only. Due to LED consuming power to high, suggest to connect power source externally. Requested power is 3.3 VDC. Audible or pulse output poles are available. This is an ideal module for full function evaluation.
Audible alert method so called PSEA (Power Saving Endless Alert ): Beep 6 times, then wait for 10 seconds, and repeat again. Never stop alert, unless "STOP" button is depressed.
This module also provides an open collector output pole to allow people use it to control other power operated device.