Hi Jackson!

From 1 Oct 2020, VEPs will have a validity period of 14 days. To extend your stay in Singapore, you will need to renew your VEP. The 14 days will start on the date of the vehicle's entry into Singapore, or on the date of VEP renewal.

Source: https://www.onemotoring.com.sg/content/onemotoring/home/driving/entering_and_exiting_singapore/cars-and-motorcycles-registered-in-malaysia.html