1. Detection range: 0-4% 2. Error value: +/-0.3% 3. Detection type: DOT3, DOT4, DOT5.1 4. Automatic shutdown: 5 minutes 5. Use environment: 0-40 degrees Celsius, maximum 95% relative humidity, indoor altitude less than 2000m 6. Storage environment: -10 to 50 degrees Celsius, maximum 90% relative humidity 7. Size: about 174 x 23 x 28mm 8. Weight: about 32g (without battery) 9. Power supply: 2 x 1.5V AAA 10. Three types of brake fluid, press the S key to select the detection type 11. Use high-precision metal probe, high sensitivity and fast response, stable measurement 12. When the measurement is higher than the threshold, there will be a buzzer alarm prompt sound, and a three-color background light prompt 13. Pen clip design, small and convenient, easy to carry
