Pulse oximeter is one of the most important gadget to have at home amid these tough COVID-19 times. This tiny little gadget that fits into your finger helps keep check on the blood oxygen levels (SpO2) in just a few seconds. Due to high demand amid the pandemic, prices of oximeters have gone up drastically over the last one year. Currently, it is extremely difficult to find a good, suitable oximeter for home under the price of Rs 3000 in India. Several e-commerce platforms sell oximeters such as Amazon, Flipkart, among others. If you are looking to buy a good oximeter, here are five tips to keep in mind. Take a look.