1. Color screen display, humanized interface 2. Bilingual options: Chinese/English 3. Three types of alarms: sound/light/vibration 4. Data recording and viewing function, continuous recording of 120,000 pieces of data 5. Using high-quality gas sensor, safe and reliable, accurate measurement, stable performance 6. It has excellent sensitivity and repeatability, easy to use and maintain, and meets the requirements of high-reliability equipment for industrial site safety monitoring 7. The shell is made of high-strength engineering plastics and composite non-slip rubber, dust-proof and explosion-proof, high strength and smooth feel 8. Measuring range: 0-100%LEL 9. Resolution: 0.1 10. Response time (90%): less than 30 seconds 11. Working voltage: DC 3.7V (lithium battery capacity 1800mAh) 12. Battery model: LP103450-1800mAh 13. Charging time: 6-8h 14. Machine time: more than 8 hours (with slight change in working status) 15. Size: 71x153x49mm 16. Weight: about 215.4gSpecification: General Certificate CE Package Weight One Package Weight 0.85kgs / 1.87lb One Package Size 27cm * 20cm * 7cm / 10.63inch * 7.87inch * 2.76inch Qty per Carton 10 Carton Weight 9.55kgs / 21.05lb Carton Size 27cm * 40cm * 35cm / 10.63inch * 15.75inch * 13.78inch Loading Container 20GP: 705 cartons * 10 pcs = 7050 pcs 40HQ: 1637 cartons * 10 pcs = 16370 pcs