Chia Teck Huat pleaded guilty to taking upskirt videos of women in malls.
The 41-year-old former senior lecture at ITE used modified pinhole cameras that he hid in a laptop bag to film his victims secretly.
A spokesperson from ITE said that Chia was dismissed from the school in March 2018 and that they do not condone any form of sexual misconduct among their staff.
Chia faced three charges of insult of modesty with one other charge being taken into consideration.
He pleaded guilty to taking upskirt videos of 335 victims from July to August 2017.
He prowled popular malls such as Plaza Singapura, Ion Orchard, Tampines Mall and Changi City Point.
A member of the public became suspicious and followed fim at Daiso in Plaza Singapura before calling the police; Chia was subsequently arrested and his devices were seized, some 335 videos were recovered.
Deputy Public Prosecutor Kathy Chu asked for 40 weeks jail for Chia.
Chia’s defense lawyer asked for 24 weeks jail instead, highlighting his attendance of 34 counselling sessions as well as him being a father of a one-year-old chold.
District Judge Adam Nakhoda adjourned the case for sentencing on December 7.
Image source: Google Street View