Description：
– Easy to use. To use this tester, you turn it on and wait for 2 seconds for a LED test sequence, select the oitype then you place the oion the sensor and push the test button. A LED wilshow the test results.
– Reusable. Power supply by 2 pcs CR2032 replacable batteries .
– Simply clean off the sensor with an absorbent rag, and you are ready for the next test.

Explanation for test result
Any of the #1-7 LEDs flashes green→excellent/good oiquality
#8 or #9 LED flashes yellow→fair oiquality
#10 LED flashes red slowly→recommend oichange
#10 LED flashes red quickly→recommend engine check

Shipping & Returns Policy

Shipping Information

Dhaka Only: Same-day or next-day delivery within Dhaka city limits and cost only ৳80 TAKA.
Out Of Dhaka: 1–3 working days for most locations within Bangladesh and cost only ৳120 TAKA.

Know more details.