Simply Glasses Antifogging:
After the glasses getting wet in water, dispense some washing liqulid on both sides and then clean with tissue.
Thus Antifogging can be kept for a long time.
This method can be re-peated when necessary. 

Press the "OPEN" rotary cover and pull can be taken down to replace the battery box cover
After the purchase, Please put two batteries.

"Canister" according to personal habits or re-placement in order to achieve the aim, more comfortable aiming movements. And can be at-tached gills at! 

Battery: 2 x AA ( Not include )

Mask with
- 1x Canister with Fan 

Weight :350g

Color : BK / OD / TAN