Digital electronics general purpose timer with daily and weekly programs. This time controller is made of standard. Fireproof material, proper structure and max 16 /25Amp power.
It is mainly used in programmable control of the school bell or for factory, with 40 groups, belling time is 1s-99s
Just turn the timer dial to the current time, push the pins down or pull up to set your on/off time, set the manual override switch to TIMER mode and then plug into outlet
Compact and portable design saves space, only takes up one socket and still leaves room to use the bottom wall outlet