Smoke Canister - Compatible with all variants of MyShield and MyShield Next. Delivery within three to five working days. Smoke deployment duration: approximately 30 seconds Dimensions: 71 mm (2.8 in.) x 131 mm (5.1 in.) Weight: 400 g (0.88 lbs.) Storage ambient temperature range: -20°C to 75°C (-4°F to 167°F) Life span: Five years EC category: P1 UN 0432 class code 1.4S