1. HCHO detection range: 0.017-1.999mg/m32. HCHO response sensitivity: 0.20mg/m33. TVOC detection range: 0.096-9.999mg/m34. TVOC response sensitivity: 0.100mg/m35. Response time: 2 seconds6. Warm-up time: 200 seconds7. Sensor: air detection sensor8. Sampling rate: 1 second9. Alarm mode: digital display, backlight, motor vibration, buzzer10. Automatic shutdown: 5 minutes without input11. Power supply: built-in 3.7V 400mAh lithium battery12. Material: ABS, silicone cover13. Size: 170.6x27.6x20mm14. Weight: 80gSpecification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 19cm * 4cm * 3cm / 7.48inch * 1.57inch * 1.18inch Qty per Carton 100 Carton Weight 11.80kgs / 26.01lb Carton Size 39cm * 29cm * 22cm / 15.35inch * 11.42inch * 8.66inch Loading Container 20GP: 1071 cartons * 100 pcs = 107100 pcs40HQ: 2487 cartons * 100 pcs = 248700 pcs