Engine Oil Analyzer OTO350 Motor Oil Tester - Instantly Know If Your Oil Needs Changing!
Instantly Know If Your Oil Needs Changing：
1.An ideal gift. Completly unique, new, and it works!
2.The OTM350 can pay for itself in just one saved oil change.
3.Can detect serious engine problems before expensive repairs are needed.
4.Works on synthetic or standard motor oils. Works with all diesel or gas engines.
5.Reusable. Build-in Rechargeable lithium battery 1000mah inside.