1. DOT3/DOT4/DOT5.1 oil type detection can be switched with one button, and can be used quickly regardless of brand. 2. Intelligent automatic shutdown, it will automatically enter shutdown state after 3 minutes of non-use. 3. Two screen brightness displays, easy to use in strong light and dark light. 4. Working voltage: 3V 5. Working current: 20-25mA 6. Size: 156x65x22.3mm 7. Weight: 121g
