This timer is designed specifically for 3.4L oxygen cylinders.
It can be easily attached to an oxygen tank using a magnet and strap.
Simply enter the pressure and flow rate to start the countdown, and you can see the remaining time at a glance.
This timer has light and sound notification functions, making it easy to understand even from a distance. Width x Depth x Height (mm): 80 x 80 x 25
Weight (g): 60 (excluding batteries)
Material: ABS resin (antibacterial)
Power supply: 2 AAA alkaline batteries (sold separately)
Accessories: Dedicated strap
