She began to worry when neighbours at her old block in Clementi died in their flats alone, without anyone's knowledge.
With age catching up on her, she knows that there is a risk she might end up like them.
Indeed, Madam Ong Hum Ho had a close shave when she moved into her new one-room rental flat at Block 422, Clementi Avenue 1.
She recounted: "About 10 months ago, I slipped and fell in my toilet. Thankfully, I didn't injure myself. If I had hit my head on the floor or the toilet bowl, I might have passed out and no one would know that I needed help."
But now, the 75-year-old can be assured that should an accident happen at home again, help will arrive.
Since January, an elderly monitoring system called LUV1 has been installed to look out for signs of trouble in Madam Ong's home.
If the system detects long bouts of inactivity in the house, it will send an SMS alerting family members and caregivers from voluntary welfare organisation Lions Befrienders Service Association.
Madam Ong can also trigger the alarm in times of distress by pressing a button on a small device by her bedside.