specification1. Material: plastic2. Detection gas: combustible gas3. Sensitivity: 50ppm methane (adjustable)4. Alarm mode: sound and light alarm5. Sensor type: low power semiconductor6. Warm-up time: 60 seconds (25 ° C, 60% ambient temperature)7. Response time: 2 seconds8. Operation cycle: continuous operation9. Battery life: 8 hours of continuous use (slightly changed according to working conditions)10. Sensor size: 30 cm11. Alarm limit: 10% methane12. Working temperature: 0~50°13. Reduce battery indication: 3 ± 0.2V14. Battery type: 3 * 1.5V AA battery (not included)15. Working current: about 150mA Package Included1 flammable gas detector (without battery)1 x manualSpecification: General Certificate CE Package Weight One Package Weight 0.26kgs / 0.56lb One Package Size 24.3cm * 14.7cm * 4cm / 9.57inch * 5.79inch * 1.57inch Qty per Carton 70 Carton Weight 15.00kgs / 33.07lb Carton Size 90cm * 59cm * 17cm / 35.43inch * 23.23inch * 6.69inch Loading Container 20GP: 295 cartons * 70 pcs = 20650 pcs 40HQ: 685 cartons * 70 pcs = 47950 pcs