WINTACT WT8821 Oxygen Detector Independent Oxygen Gas Sensor Warning-up High Sensitive Poisoning Alarm Detector, WT8821specification 1. Measurement range: 0~25% VOL 2. Maximum overload: 30% oxygen 3. Response time: <15 seconds 4. Sensor type: electromagnetic O2 sensor 5. Use ambient humidity: 15~90% RH 6. Power: 3X1. 5VAA battery Package Included 1 x Oxgen gas detector (without battery) 1 x manual Specification: General Certificate CE Package Weight One Package Weight 0. 86kgs 1. 90lb One Package Size 28cm * 21cm * 7cm 11. 02inch * 8. 27inch * 2. 76inch Qty per Carton

Exquisite round design with perfect process

X Vario (Typ 107)

Store data when power is off

and check the current status through the app

and other Bluetooth-enabled devices

slovencina

Galaxy Grand Prime Plus

and on-the-go recording

System support: Windows 98/SE/ME/2000/XP/7/8/10

making travel easier

360-degree three-dimensional space immersion

Five-layers shielding improve the signal transmission performance